build: use version environment variable
diff --git a/metamodel/jwt-metamodel/pom.xml b/metamodel/jwt-metamodel/pom.xml
index f970998..acebec6 100644
--- a/metamodel/jwt-metamodel/pom.xml
+++ b/metamodel/jwt-metamodel/pom.xml
@@ -10,5 +10,7 @@
   </parent>
 
   <artifactId>org.eclipse.jwt.meta</artifactId>
+  <version>${env.VERSION}.${maven.build.timestamp}</version>
   <packaging>eclipse-plugin</packaging>
+  
 </project> 
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