diff --git a/aurora-postgresql-plugin/pom.xml b/aurora-postgresql-plugin/pom.xml
index 99bacbd98..51b12cdd1 100644
--- a/aurora-postgresql-plugin/pom.xml
+++ b/aurora-postgresql-plugin/pom.xml
@@ -50,7 +50,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.2.5</version>
+      <version>42.4.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>