diff --git a/Src/PObserve/PObserveJavaUnitTest/pom.xml b/Src/PObserve/PObserveJavaUnitTest/pom.xml
index af116fe9b..1aeb3bc59 100644
--- a/Src/PObserve/PObserveJavaUnitTest/pom.xml
+++ b/Src/PObserve/PObserveJavaUnitTest/pom.xml
@@ -71,7 +71,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.20.0</version>
+            <version>2.25.3</version>
         </dependency>
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>