diff --git a/pom.xml b/pom.xml
index a38d290..5a5ad0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
       <dependency>
         <groupId>org.postgresql</groupId>
         <artifactId>postgresql</artifactId>
-        <version>42.2.1</version>
+        <version>42.4.1</version>
       </dependency>
 
       <!-- test -->