diff --git a/oa4mp-client-oauth1/pom.xml b/oa4mp-client-oauth1/pom.xml
index b8bf6140a..b83e32016 100644
--- a/oa4mp-client-oauth1/pom.xml
+++ b/oa4mp-client-oauth1/pom.xml
@@ -82,7 +82,7 @@
         <dependency>
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
-            <version>42.3.10</version>
+            <version>42.7.11</version>
             <scope>provided</scope>
         </dependency>
         <dependency>