diff --git a/pom.xml b/pom.xml
index 9ed04fc..c3bb3a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>zenodo-java-client</artifactId>
-    <version>0.2.1</version>
+    <version>RSDEV-952-client-SNAPSHOT</version>
     <parent>
         <groupId>com.github.rspace-os</groupId>
         <artifactId>rspace-parent</artifactId>
diff --git a/src/main/java/com/researchspace/zenodo/model/ControlledVocabularyTerm.java b/src/main/java/com/researchspace/zenodo/model/ControlledVocabularyTerm.java
index 5676c2c..011fa89 100644
--- a/src/main/java/com/researchspace/zenodo/model/ControlledVocabularyTerm.java
+++ b/src/main/java/com/researchspace/zenodo/model/ControlledVocabularyTerm.java
@@ -3,6 +3,7 @@
 import java.net.URI;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.AllArgsConstructor;
 
@@ -13,6 +14,7 @@
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
+@EqualsAndHashCode
 public class ControlledVocabularyTerm {
   private String term;
   private URI identifier;
diff --git a/src/main/java/com/researchspace/zenodo/model/RelatedIdentifier.java b/src/main/java/com/researchspace/zenodo/model/RelatedIdentifier.java
index 0a5c1c4..d51e3fd 100644
--- a/src/main/java/com/researchspace/zenodo/model/RelatedIdentifier.java
+++ b/src/main/java/com/researchspace/zenodo/model/RelatedIdentifier.java
@@ -1,6 +1,7 @@
 package com.researchspace.zenodo.model;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import lombok.AllArgsConstructor;
 
@@ -11,6 +12,7 @@
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
+@EqualsAndHashCode
 public class RelatedIdentifier {
   private String identifier;
   private String relation;
diff --git a/src/main/java/com/researchspace/zenodo/model/ZenodoSubmission.java b/src/main/java/com/researchspace/zenodo/model/ZenodoSubmission.java
index fcf930e..e3f787f 100644
--- a/src/main/java/com/researchspace/zenodo/model/ZenodoSubmission.java
+++ b/src/main/java/com/researchspace/zenodo/model/ZenodoSubmission.java
@@ -4,6 +4,7 @@
 import java.util.List;
 import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 
 /**
@@ -13,6 +14,7 @@
 @Data
 @NoArgsConstructor
 @AllArgsConstructor
+@EqualsAndHashCode
 public class ZenodoSubmission {
 
   /*