diff --git a/pom.xml b/pom.xml
index e2c0559bd..ce778e316 100644
--- a/pom.xml
+++ b/pom.xml
@@ -159,7 +159,7 @@
                 <dependency>
                     <groupId>org.apache.wayang</groupId>
                     <artifactId>wayang-resources</artifactId>
-                    <version>1.1.0</version>
+                    <version>1.1.1-SNAPSHOT</version>
                     <type>zip</type>
                     <optional>true</optional>
                 </dependency>
diff --git a/wayang-api/pom.xml b/wayang-api/pom.xml
index 09ac8fd79..eee0fd8b4 100644
--- a/wayang-api/pom.xml
+++ b/wayang-api/pom.xml
@@ -28,7 +28,7 @@
     </parent>
 
     <artifactId>wayang-api</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang API</name>
     <description>
diff --git a/wayang-api/wayang-api-json/pom.xml b/wayang-api/wayang-api-json/pom.xml
index f267a0633..07de9a971 100644
--- a/wayang-api/wayang-api-json/pom.xml
+++ b/wayang-api/wayang-api-json/pom.xml
@@ -23,11 +23,11 @@
   <parent>
       <artifactId>wayang-api</artifactId>
       <groupId>org.apache.wayang</groupId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
   </parent>
 
   <artifactId>wayang-api-json</artifactId>
-  <version>1.1.0</version>
+  <version>1.1.1-SNAPSHOT</version>
 
   <name>Wayang API JSON</name>
   <description>Wayang implementation of a sprint application REST API</description>
@@ -53,25 +53,25 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-core</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-basic</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
       </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
       <exclusions>
         <exclusion>
           <groupId>org.slf4j</groupId>
@@ -83,37 +83,37 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-postgres</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-sqlite3</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-flink</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-tensorflow</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-generic-jdbc</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
 
     <dependency>
diff --git a/wayang-api/wayang-api-python/pom.xml b/wayang-api/wayang-api-python/pom.xml
index b66344138..3388f1582 100644
--- a/wayang-api/wayang-api-python/pom.xml
+++ b/wayang-api/wayang-api-python/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api-python</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang API Python</name>
     <description>Wayang implementation of an API of Python to be enable to work with code wrote in python</description>
@@ -44,7 +44,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -55,12 +55,12 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>test</scope>
 
         </dependency>
diff --git a/wayang-api/wayang-api-scala-java/pom.xml b/wayang-api/wayang-api-scala-java/pom.xml
index f9c34f040..6f87c47af 100644
--- a/wayang-api/wayang-api-scala-java/pom.xml
+++ b/wayang-api/wayang-api-scala-java/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api-scala-java</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang API Scala-Java</name>
     <description>Wayang implementation of an API of Scala-Java to be enable to work in functional style</description>
@@ -42,7 +42,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -53,22 +53,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-python</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -78,17 +78,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
@@ -103,12 +103,12 @@
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-spark</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-tensorflow</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.spark</groupId>
diff --git a/wayang-api/wayang-api-sql/pom.xml b/wayang-api/wayang-api-sql/pom.xml
index 5df12ea9c..331a517c9 100644
--- a/wayang-api/wayang-api-sql/pom.xml
+++ b/wayang-api/wayang-api-sql/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -46,19 +46,19 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-utils</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
 
diff --git a/wayang-api/wayang-api-utils/pom.xml b/wayang-api/wayang-api-utils/pom.xml
index c931f856a..5d81ee36b 100644
--- a/wayang-api/wayang-api-utils/pom.xml
+++ b/wayang-api/wayang-api-utils/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-api</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-api-utils</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang API Utils</name>
     <description>Wayang implementation of an API of Scala-Java to be enable to work in functional style</description>
@@ -42,7 +42,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -53,22 +53,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-python</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
@@ -78,17 +78,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
@@ -103,12 +103,12 @@
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-spark</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-tensorflow</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.spark</groupId>
diff --git a/wayang-applications/pom.xml b/wayang-applications/pom.xml
index 851eb8e2f..259c5357d 100644
--- a/wayang-applications/pom.xml
+++ b/wayang-applications/pom.xml
@@ -26,7 +26,7 @@
     </parent>
 
     <artifactId>wayang-applications</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>wayang-applications</name>
@@ -60,27 +60,27 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-scala-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
diff --git a/wayang-assembly/pom.xml b/wayang-assembly/pom.xml
index 7d9fa83c2..5be28fd01 100644
--- a/wayang-assembly/pom.xml
+++ b/wayang-assembly/pom.xml
@@ -26,7 +26,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>wayang-assembly</artifactId>
-  <version>1.1.0</version>
+  <version>1.1.1-SNAPSHOT</version>
   <name>Wayang Project Assembly</name>
   <url>https://wayang.apache.org/</url>
   <packaging>pom</packaging>
@@ -42,57 +42,57 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-core</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-basic</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-benchmark</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-flink</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-jdbc-template</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-postgres</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-ml4all</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-json</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
diff --git a/wayang-benchmark/pom.xml b/wayang-benchmark/pom.xml
index 879ddd451..fb4aaaf98 100644
--- a/wayang-benchmark/pom.xml
+++ b/wayang-benchmark/pom.xml
@@ -27,43 +27,43 @@
   </parent>
 
   <artifactId>wayang-benchmark</artifactId>
-  <version>1.1.0</version>
+  <version>1.1.1-SNAPSHOT</version>
 
   <dependencies>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-core</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-basic</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-utils-profile-db</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-postgres</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-sqlite3</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-tensorflow</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
@@ -83,12 +83,12 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-api-scala-java</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-spark</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>org.apache.spark</groupId>
@@ -113,7 +113,7 @@
     <dependency>
       <groupId>org.apache.wayang</groupId>
       <artifactId>wayang-flink</artifactId>
-      <version>1.1.0</version>
+      <version>1.1.1-SNAPSHOT</version>
     </dependency>
   </dependencies>
 </project>
diff --git a/wayang-commons/pom.xml b/wayang-commons/pom.xml
index f35bc8bfb..612394c8e 100644
--- a/wayang-commons/pom.xml
+++ b/wayang-commons/pom.xml
@@ -28,7 +28,7 @@
     </parent>
 
     <artifactId>wayang-commons</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Commons</name>
     <description>
diff --git a/wayang-commons/wayang-basic/pom.xml b/wayang-commons/wayang-basic/pom.xml
index e47298516..166a957bf 100644
--- a/wayang-commons/wayang-basic/pom.xml
+++ b/wayang-commons/wayang-basic/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-basic</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Basic</name>
     <description>
@@ -61,12 +61,12 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
diff --git a/wayang-commons/wayang-core/pom.xml b/wayang-commons/wayang-core/pom.xml
index ca11edce3..c471594b7 100644
--- a/wayang-commons/wayang-core/pom.xml
+++ b/wayang-commons/wayang-core/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-core</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Core</name>
     <description>
@@ -97,7 +97,7 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
diff --git a/wayang-commons/wayang-utils-profile-db/pom.xml b/wayang-commons/wayang-utils-profile-db/pom.xml
index b32cfca13..4f0869358 100644
--- a/wayang-commons/wayang-utils-profile-db/pom.xml
+++ b/wayang-commons/wayang-utils-profile-db/pom.xml
@@ -21,12 +21,12 @@
     <parent>
         <artifactId>wayang-commons</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>wayang-utils-profile-db</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <dependencies>
         <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
diff --git a/wayang-docs/src/main/resources/how_contribute/preparing_releases.md b/wayang-docs/src/main/resources/how_contribute/preparing_releases.md
index 7455f0667..a14e94336 100644
--- a/wayang-docs/src/main/resources/how_contribute/preparing_releases.md
+++ b/wayang-docs/src/main/resources/how_contribute/preparing_releases.md
@@ -45,7 +45,7 @@ So if you don’t already have one, you should create a .m2 directory in your us
 
 ```xml
 <?xml version="1.0" encoding="UTF-8"?>
-<settings xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.0 http://maven.apache.org/xsd/settings-1.1.0.xsd" xmlns="http://maven.apache.org/SETTINGS/1.1.0"
+<settings xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.1.1-SNAPSHOT http://maven.apache.org/xsd/settings-1.1.1-SNAPSHOT.xsd" xmlns="http://maven.apache.org/SETTINGS/1.1.1-SNAPSHOT"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <servers>
     <!-- Apache Repo Settings -->
diff --git a/wayang-ml4all/pom.xml b/wayang-ml4all/pom.xml
index 9a1854d2c..c302bf0fc 100644
--- a/wayang-ml4all/pom.xml
+++ b/wayang-ml4all/pom.xml
@@ -27,7 +27,7 @@
     </parent>
 
     <artifactId>wayang-ml4all</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang ML4all</name>
     <description>
@@ -42,27 +42,27 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-scala-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/pom.xml b/wayang-platforms/pom.xml
index 9168f9052..614fdcb68 100644
--- a/wayang-platforms/pom.xml
+++ b/wayang-platforms/pom.xml
@@ -28,7 +28,7 @@
     </parent>
 
     <artifactId>wayang-platforms</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform</name>
     <description>
@@ -52,7 +52,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
diff --git a/wayang-platforms/wayang-flink/pom.xml b/wayang-platforms/wayang-flink/pom.xml
index 2b0f7c9d9..677e0b1e9 100644
--- a/wayang-platforms/wayang-flink/pom.xml
+++ b/wayang-platforms/wayang-flink/pom.xml
@@ -23,11 +23,11 @@
   <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-flink</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Apache Flink</name>
     <description>
@@ -42,22 +42,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-api-sql</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/wayang-generic-jdbc/pom.xml b/wayang-platforms/wayang-generic-jdbc/pom.xml
index bb2a5e831..bb9bc04f7 100644
--- a/wayang-platforms/wayang-generic-jdbc/pom.xml
+++ b/wayang-platforms/wayang-generic-jdbc/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-generic-jdbc</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Generic Jdbc</name>
     <description>
@@ -55,24 +55,24 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-jdbc-template</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
 
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>
diff --git a/wayang-platforms/wayang-giraph/pom.xml b/wayang-platforms/wayang-giraph/pom.xml
index e6c4cd9c8..f169c847a 100644
--- a/wayang-platforms/wayang-giraph/pom.xml
+++ b/wayang-platforms/wayang-giraph/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-giraph</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Giraph</name>
     <description>
@@ -43,17 +43,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/wayang-platforms/wayang-java/pom.xml b/wayang-platforms/wayang-java/pom.xml
index 27c713566..9c58a78fb 100644
--- a/wayang-platforms/wayang-java/pom.xml
+++ b/wayang-platforms/wayang-java/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-java</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Java</name>
     <description>
@@ -42,13 +42,13 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
diff --git a/wayang-platforms/wayang-jdbc-template/pom.xml b/wayang-platforms/wayang-jdbc-template/pom.xml
index c3d96f8c0..d31a1dea1 100644
--- a/wayang-platforms/wayang-jdbc-template/pom.xml
+++ b/wayang-platforms/wayang-jdbc-template/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-jdbc-template</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform JDBC Template</name>
     <description>
@@ -44,7 +44,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -55,22 +55,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.hsqldb</groupId>
@@ -86,7 +86,7 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/wayang-platforms/wayang-postgres/pom.xml b/wayang-platforms/wayang-postgres/pom.xml
index 6c7eb2e65..29f3e07fc 100644
--- a/wayang-platforms/wayang-postgres/pom.xml
+++ b/wayang-platforms/wayang-postgres/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-postgres</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Postgres</name>
     <description>
@@ -48,17 +48,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-jdbc-template</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-spark</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
     </dependencies>
 
diff --git a/wayang-platforms/wayang-spark/pom.xml b/wayang-platforms/wayang-spark/pom.xml
index 13f250669..1e89fd15e 100644
--- a/wayang-platforms/wayang-spark/pom.xml
+++ b/wayang-platforms/wayang-spark/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-spark</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Spark</name>
     <description>
@@ -42,18 +42,18 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <!-- wayang-java is required to allow for direct communication between spark and java -->
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.xerial.snappy</groupId>
diff --git a/wayang-platforms/wayang-sqlite3/pom.xml b/wayang-platforms/wayang-sqlite3/pom.xml
index 7815bef86..fdf5cb392 100644
--- a/wayang-platforms/wayang-sqlite3/pom.xml
+++ b/wayang-platforms/wayang-sqlite3/pom.xml
@@ -23,11 +23,11 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-sqlite3</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform SQLite3</name>
     <description>
@@ -44,17 +44,17 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-jdbc-template</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.xerial</groupId>
diff --git a/wayang-platforms/wayang-tensorflow/pom.xml b/wayang-platforms/wayang-tensorflow/pom.xml
index d88d6c800..fd9742722 100644
--- a/wayang-platforms/wayang-tensorflow/pom.xml
+++ b/wayang-platforms/wayang-tensorflow/pom.xml
@@ -21,12 +21,12 @@
     <parent>
         <artifactId>wayang-platforms</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>wayang-tensorflow</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Platform Tensorflow</name>
     <description>
@@ -43,18 +43,18 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <!-- wayang-java is required to allow for direct communication between tensorflow and java -->
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
 
         <dependency>
diff --git a/wayang-plugins/pom.xml b/wayang-plugins/pom.xml
index f8d32e212..b9a33a6eb 100644
--- a/wayang-plugins/pom.xml
+++ b/wayang-plugins/pom.xml
@@ -28,7 +28,7 @@
     </parent>
 
     <artifactId>wayang-plugins</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Extensions</name>
     <description>This module aggregates plugins of Wayang.</description>
diff --git a/wayang-plugins/wayang-iejoin/pom.xml b/wayang-plugins/wayang-iejoin/pom.xml
index b891efe8c..d9e1ea298 100644
--- a/wayang-plugins/wayang-iejoin/pom.xml
+++ b/wayang-plugins/wayang-iejoin/pom.xml
@@ -25,11 +25,11 @@
     <parent>
         <artifactId>wayang-plugins</artifactId>
         <groupId>org.apache.wayang</groupId>
-        <version>1.1.0</version>
+        <version>1.1.1-SNAPSHOT</version>
     </parent>
 
     <artifactId>wayang-iejoin</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <properties>
         <java-module-name>org.apache.wayang.extensions.iejoin</java-module-name>
@@ -39,22 +39,22 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-core</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-basic</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
            <groupId>org.apache.wayang</groupId>
            <artifactId>wayang-spark</artifactId>
-           <version>1.1.0</version>
+           <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.spark</groupId>
diff --git a/wayang-profiler/pom.xml b/wayang-profiler/pom.xml
index 8f3529b8c..34b2f2741 100644
--- a/wayang-profiler/pom.xml
+++ b/wayang-profiler/pom.xml
@@ -27,7 +27,7 @@
     </parent>
 
     <artifactId>wayang-profiler</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Profiler</name>
     <description>Wayang Profiler allow to know the weight of each operator</description>
@@ -41,7 +41,7 @@
             <dependency>
                 <groupId>org.apache.wayang</groupId>
                 <artifactId>wayang-commons</artifactId>
-                <version>1.1.0</version>
+                <version>1.1.1-SNAPSHOT</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -57,27 +57,27 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-utils-profile-db</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-spark</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
         </dependency>
         <dependency>
           <groupId>org.apache.spark</groupId>
diff --git a/wayang-resources/pom.xml b/wayang-resources/pom.xml
index 7273ac124..ada2d742f 100644
--- a/wayang-resources/pom.xml
+++ b/wayang-resources/pom.xml
@@ -26,7 +26,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>wayang-resources</artifactId>
-  <version>1.1.0</version>
+  <version>1.1.1-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>Wayang - Common resources</name>
diff --git a/wayang-tests-integration/pom.xml b/wayang-tests-integration/pom.xml
index 58974e48b..7a98a2dea 100644
--- a/wayang-tests-integration/pom.xml
+++ b/wayang-tests-integration/pom.xml
@@ -27,7 +27,7 @@
     </parent>
 
     <artifactId>wayang-tests-integration</artifactId>
-    <version>1.1.0</version>
+    <version>1.1.1-SNAPSHOT</version>
 
     <name>Wayang Integration Test</name>
     <description>Wayang integration Tests</description>
@@ -41,50 +41,50 @@
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-java</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-sqlite3</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-postgres</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-giraph</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
             <scope>test</scope>
         </dependency>
 
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-flink</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
           <scope>test</scope>
         </dependency>
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-spark</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
           <scope>test</scope>
         </dependency>
         <dependency>
           <groupId>org.apache.wayang</groupId>
           <artifactId>wayang-api-scala-java</artifactId>
-          <version>1.1.0</version>
+          <version>1.1.1-SNAPSHOT</version>
           <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.wayang</groupId>
             <artifactId>wayang-tensorflow</artifactId>
-            <version>1.1.0</version>
+            <version>1.1.1-SNAPSHOT</version>
         </dependency>
 
         <!-- Spark is a provided dependency and thus not transitively injected via wayang-spark. -->