diff --git a/org.eclipse.jdt-feature/pom.xml b/org.eclipse.jdt-feature/pom.xml
index e2d414a..9f4b55b 100644
--- a/org.eclipse.jdt-feature/pom.xml
+++ b/org.eclipse.jdt-feature/pom.xml
@@ -42,6 +42,7 @@
       <plugin>
         <groupId>org.eclipse.tycho.extras</groupId>
         <artifactId>tycho-source-feature-plugin</artifactId>
+        <version>${tycho-extras.version}</version>
         <executions>
           <execution>
             <phase>package</phase>