diff --git a/sigil/eclipse/utils/sigil.properties b/sigil/eclipse/utils/sigil.properties
index 8862d79..b5b9726 100644
--- a/sigil/eclipse/utils/sigil.properties
+++ b/sigil/eclipse/utils/sigil.properties
@@ -26,6 +26,7 @@
 	org.eclipse.ui, \
 
 -requires: \
+        org.eclipse.equinox.common;version=3.4.0, \
 	org.eclipse.core.runtime;version=3.4.0, \
 	org.eclipse.ui.ide;version=3.4.2, \
 	org.eclipse.ui.workbench;version=3.4.1, \