diff --git a/client-app/pom.xml b/client-app/pom.xml
index 0f0b32d..c0b6419 100644
--- a/client-app/pom.xml
+++ b/client-app/pom.xml
@@ -20,7 +20,7 @@
     <version.zeebe>0.20.0</version.zeebe>
     <version.config>1.3.3</version.config>
     <version.slf4j>1.7.25</version.slf4j>
-    <version.log4j>2.11.1</version.log4j>
+    <version.log4j>2.13.3</version.log4j>
 
     <!-- maven plugin versions -->
     <plugin.version.exec>1.6.0</plugin.version.exec>