diff --git a/PI-Adapter-Commons/pom.xml b/PI-Adapter-Commons/pom.xml
index b644e98..dd6fc95 100644
--- a/PI-Adapter-Commons/pom.xml
+++ b/PI-Adapter-Commons/pom.xml
@@ -18,7 +18,7 @@
 
 	<properties>
 		<slf4j.version>1.7.32</slf4j.version>
-		<log4j.version>2.17.1</log4j.version>
+		<log4j.version>2.25.4</log4j.version>
 		<guava.version>32.0.0-jre</guava.version>
 		<jodatime.version>2.10.13</jodatime.version>
 		<fews.version>2018.02-hotfix5</fews.version>