diff --git a/example/HelloWorldFunction/pom.xml b/example/HelloWorldFunction/pom.xml
index 6a81ad611..e9614e255 100644
--- a/example/HelloWorldFunction/pom.xml
+++ b/example/HelloWorldFunction/pom.xml
@@ -9,7 +9,7 @@
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <log4j.version>2.13.2</log4j.version>
+        <log4j.version>2.15.0</log4j.version>
     </properties>
 
     <dependencies>