diff --git a/java11/cloudsql-postgres/pom.xml b/java11/cloudsql-postgres/pom.xml
index faec743..5005044 100644
--- a/java11/cloudsql-postgres/pom.xml
+++ b/java11/cloudsql-postgres/pom.xml
@@ -57,7 +57,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.2.25</version>
+      <version>42.4.1</version>
       <scope>provided</scope>
     </dependency>