diff --git a/plugins/org.etsi.mts.tdl.to2tdl/META-INF/MANIFEST.MF b/plugins/org.etsi.mts.tdl.to2tdl/META-INF/MANIFEST.MF
index e5e518cc42576d2f090e280a309cea935ac8a97a..09a5cf5f295a648b24fae73ac81cef0e9d5417c1 100644
--- a/plugins/org.etsi.mts.tdl.to2tdl/META-INF/MANIFEST.MF
+++ b/plugins/org.etsi.mts.tdl.to2tdl/META-INF/MANIFEST.MF
@@ -11,6 +11,7 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.xtext,
  org.etsi.mts.tdl.model,
  org.eclipse.ocl.xtext.essentialocl,
- org.etsi.mts.tdl.common
+ org.etsi.mts.tdl.common,
+ org.etsi.mts.tdl.helper
 Export-Package: org.etsi.mts.tdl.to2tdl
 Bundle-RequiredExecutionEnvironment: JavaSE-11