dependency to core project added
diff --git a/org.eclipse.emf.refactor.refactoring.henshin/META-INF/MANIFEST.MF b/org.eclipse.emf.refactor.refactoring.henshin/META-INF/MANIFEST.MF
index 84a0847..ecf780e 100644
--- a/org.eclipse.emf.refactor.refactoring.henshin/META-INF/MANIFEST.MF
+++ b/org.eclipse.emf.refactor.refactoring.henshin/META-INF/MANIFEST.MF
@@ -5,6 +5,7 @@
 Bundle-Version: 0.7.0.qualifier
 Bundle-Activator: org.eclipse.emf.refactor.refactoring.henshin.Activator
 Require-Bundle: org.eclipse.ui,
- org.eclipse.core.runtime
+ org.eclipse.core.runtime,
+ org.eclipse.emf.refactor.refactoring;bundle-version="0.7.0"
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6