diff --git a/pom.xml b/pom.xml
index 2a09bdf..82aa324 100644
--- a/pom.xml
+++ b/pom.xml
@@ -42,7 +42,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<apache-james.version>3.2.0</apache-james.version>
 		<derby.version>10.14.2.0</derby.version>
-		<postgresql.version>42.2.5</postgresql.version>
+		<postgresql.version>42.4.1</postgresql.version>
 		<dropwizard.version>3.2.6</dropwizard.version>
 		<guice.version>4.2.2</guice.version>
 		<dnsjava.version>2.0.8</dnsjava.version>