diff --git a/pom.xml b/pom.xml
old mode 100755
new mode 100644
index db47452..de12301
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
         <jstl.version>1.2</jstl.version>
         <junit.jupiter.version>5.0.1</junit.jupiter.version>
         <junit.platform.version>1.0.3</junit.platform.version>
-        <postgresql.jdbc.version>42.2.2</postgresql.jdbc.version>
+        <postgresql.jdbc.version>42.4.1</postgresql.jdbc.version>
         <spring.jdbc.version>5.0.5.RELEASE</spring.jdbc.version>
     </properties>