Use stable taverna.engine
diff --git a/pom.xml b/pom.xml
index 14b5ca5..733c43a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
   <properties>
     <taverna.language.version>0.15.0-incubating</taverna.language.version>
     <taverna.osgi.version>0.2.1-incubating</taverna.osgi.version>
-    <taverna.engine.version>3.1.0-incubating-SNAPSHOT</taverna.engine.version>
+    <taverna.engine.version>3.1.0-incubating</taverna.engine.version>
   </properties>
 
   <scm>