diff --git a/zssmodel/pom.xml b/zssmodel/pom.xml
index 9c0f3602..c1edc05b 100644
--- a/zssmodel/pom.xml
+++ b/zssmodel/pom.xml
@@ -55,7 +55,7 @@
 		<dependency>
 			<groupId>org.postgresql</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>42.1.4</version>
+			<version>42.4.1</version>
 			<scope>provided</scope>
 		</dependency>
 		<dependency>