diff --git a/activemq-core/pom.xml b/activemq-core/pom.xml
index 7597c032e9..1eccfb32c4 100755
--- a/activemq-core/pom.xml
+++ b/activemq-core/pom.xml
@@ -310,7 +310,7 @@
       <plugin>
         <groupId>org.apache.activemq</groupId>
         <artifactId>maven-gram-plugin</artifactId>
-        <version>${pom.version}</version>
+        <version>4.1-incubator</version>
         <configuration>
           <scripts>
             :GenerateJavaMarshalling.groovy: GenerateJavaTests.groovy: GenerateCSharpMarshalling.groovy:
diff --git a/assembly/pom.xml b/assembly/pom.xml
index 0cb90b3345..31e89cc1c8 100755
--- a/assembly/pom.xml
+++ b/assembly/pom.xml
@@ -274,7 +274,7 @@
       <plugin>
         <groupId>org.apache.activemq</groupId>
         <artifactId>maven-bundle-plugin</artifactId>
-        <version>${pom.version}</version>
+        <version>4.1-incubator</version>
         <executions>
           <execution>
             <phase>compile</phase>