diff --git a/sigil/eclipse/utils/sigil.properties b/sigil/eclipse/utils/sigil.properties
index cbb2712..6fb53a0 100644
--- a/sigil/eclipse/utils/sigil.properties
+++ b/sigil/eclipse/utils/sigil.properties
@@ -10,9 +10,14 @@
 	src, \
 
 -imports: \
+	org.eclipse.core.expressions;version=3.4.1, \
 	org.eclipse.core.resources;version=3.4.1, \
 	org.eclipse.core.runtime;version=3.4.0, \
 	org.eclipse.core.runtime.content;version=3.3.0, \
 	org.eclipse.ui;version=3.4.1, \
 
+-requires: \
+	org.eclipse.core.runtime;version=3.4.0, \
+	org.eclipse.ui.ide;version=3.4.2, \
+
 # end