diff --git a/pom.xml b/pom.xml
index 02320dc562c..285e358b649 100644
--- a/pom.xml
+++ b/pom.xml
@@ -876,6 +876,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-enforcer-plugin</artifactId>
+        <version>1.4</version>
         <dependencies>
           <dependency>
             <groupId>org.codehaus.mojo</groupId>