diff --git a/pom.xml b/pom.xml
index 906a6f7a5..ec3129af0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -72,7 +72,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.3.1</version>
+      <version>42.3.4</version>
     </dependency>
     <dependency>
       <groupId>commons-cli</groupId>