diff --git a/core/tools.descartes.dql.core.engine/META-INF/MANIFEST.MF b/core/tools.descartes.dql.core.engine/META-INF/MANIFEST.MF
index 5f665f8c14bec2bee65e976ba323aa93dbda5860..fb46e523c8d4ba23a87e2218e74d309477ed4d7a 100644
--- a/core/tools.descartes.dql.core.engine/META-INF/MANIFEST.MF
+++ b/core/tools.descartes.dql.core.engine/META-INF/MANIFEST.MF
@@ -21,7 +21,10 @@ Require-Bundle: tools.descartes.dql.lang,
  org.apache.commons.math,
  org.eclipse.xtext,
  org.eclipse.core.resources,
- org.eclipse.xtext.ui
+ org.eclipse.xtext.ui,
+ org.eclipse.ui.ide,
+ org.eclipse.swt,
+ org.eclipse.core.filesystem
 Export-Package: tools.descartes.dql.core.engine;uses:="org.osgi.framework,com.google.inject",
  tools.descartes.dql.core.engine.aggregates,
  tools.descartes.dql.core.engine.interpreter,