diff --git a/metrics/pom.xml b/metrics/pom.xml
index e8303e5a01fa..ed846de3a23f 100644
--- a/metrics/pom.xml
+++ b/metrics/pom.xml
@@ -90,7 +90,7 @@
              - it is required by maven-project-info-reports-plugin v2.2 -->
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-site-plugin</artifactId>
-        <version>2.1</version>
+        <version>2.4</version>
       </plugin>
     </plugins>
   </build>