diff --git a/pom.xml b/pom.xml
index 94e5a7bf..091c90c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
 
     <!-- The version of the metamodel used to specify the model and to generate
          code from it: -->
-    <metamodel.version>1.3.8</metamodel.version>
+    <metamodel.version>1.3.9</metamodel.version>
 
     <!-- The name of the product and the engine that will be used in the generated
          documentation: -->