diff --git a/jpa-lock-example/pom.xml b/jpa-lock-example/pom.xml
index 9d83cf6..303684f 100644
--- a/jpa-lock-example/pom.xml
+++ b/jpa-lock-example/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>9.3-1100-jdbc41</version>
+            <version>42.3.7</version>
             <scope>compile</scope>
         </dependency>