diff --git a/samples/ziti-jdbc-postgresql/pom.xml b/samples/ziti-jdbc-postgresql/pom.xml
index 3553e748..cfb7acf1 100644
--- a/samples/ziti-jdbc-postgresql/pom.xml
+++ b/samples/ziti-jdbc-postgresql/pom.xml
@@ -17,7 +17,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.4.3</version>
+			<version>42.7.2</version>
 		</dependency>
 
 		<!-- ZDBC wrapper jar -->