diff --git a/pom.xml b/pom.xml
index 54e5800ad..aab765a43 100644
--- a/pom.xml
+++ b/pom.xml
@@ -446,7 +446,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-source-plugin</artifactId>
-                    <version>2.4</version>
+                    <version>${maven-source-plugin.version}</version>
                     <executions>
                         <execution>
                             <goals>