build: use version environment variable
diff --git a/releng/mvn-jwt-builder/pom.xml b/releng/mvn-jwt-builder/pom.xml
index 684aba7..4ea5608 100644
--- a/releng/mvn-jwt-builder/pom.xml
+++ b/releng/mvn-jwt-builder/pom.xml
@@ -42,6 +42,7 @@
 
   <properties>
     <tycho-version>0.18.0</tycho-version>
+    <maven.build.timestamp.format>yyyyMMdd-HHmm</maven.build.timestamp.format>
   </properties>
 
   <repositories>
@@ -163,6 +164,27 @@
         </plugins>
       </build>
     </profile>
+
+	<profile>
+	    <id>Hudson Surrogate Params</id>
+	    <properties>
+	        <env.BUILD_NUMBER>UNKNOWN</env.BUILD_NUMBER>
+	        <env.BUILD_ID>${maven.build.timestamp}</env.BUILD_ID>
+	        <env.JOB_NAME>${project.name}</env.JOB_NAME>
+	        <env.BUILD_TAG>${user.name}-${env.JOB_NAME}-${project.version}_${env.BUILD_NUMBER}-${env.BUILD_ID}</env.BUILD_TAG>
+	        <env.EXECUTOR_NUMBER>0</env.EXECUTOR_NUMBER>
+	        <env.WORKSPACE>${basedir}</env.WORKSPACE>
+	        <env.HUDSON_URL>UNKNOWN</env.HUDSON_URL>
+	        <env.SVN_REVISION>rUNKNOWN</env.SVN_REVISION>
+	    </properties>
+	    <activation>
+	        <property>
+	            <!-- Activated if Hudson hasn't already set the BUILD_NUMBER -->
+	            <name>!env.BUILD_NUMBER</name>
+	        </property>
+	    </activation>
+	</profile>
+	
   </profiles>
 
 </project> 
\ No newline at end of file
diff --git a/releng/org.eclipse.jwt.p2updatesite/pom.xml b/releng/org.eclipse.jwt.p2updatesite/pom.xml
index b500684..a78613f 100644
--- a/releng/org.eclipse.jwt.p2updatesite/pom.xml
+++ b/releng/org.eclipse.jwt.p2updatesite/pom.xml
@@ -7,7 +7,7 @@
     <relativePath>../../releng/mvn-jwt-builder/pom.xml</relativePath>
     <groupId>org.eclipse.jwt</groupId>
     <artifactId>parent</artifactId>
-    <version>1.3.0.qualifier</version>
+    <version>${env.VERSION}.${maven.build.timestamp}</version>
   </parent>
   
   <groupId>org.eclipse.jwt</groupId>