diff --git a/Collectors/openstack-ceilometer/pom.xml b/Collectors/openstack-ceilometer/pom.xml
index ac7f8fe..18db3fb 100644
--- a/Collectors/openstack-ceilometer/pom.xml
+++ b/Collectors/openstack-ceilometer/pom.xml
@@ -134,7 +134,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.3</version>
+            <version>2.16.0</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>