diff --git a/sigil/eclipse/ui/sigil.properties b/sigil/eclipse/ui/sigil.properties
index 8a35d51..5abe7b8 100644
--- a/sigil/eclipse/ui/sigil.properties
+++ b/sigil/eclipse/ui/sigil.properties
@@ -41,8 +41,6 @@
 	org.eclipse.core.commands, \
 	org.eclipse.core.commands.common, \
 	org.eclipse.core.resources, \
-	org.eclipse.core.runtime, \
-	org.eclipse.core.runtime.jobs, \
 	org.eclipse.debug.core, \
 	org.eclipse.debug.ui, \
 	org.eclipse.draw2d, \
@@ -88,7 +86,9 @@
 	org.osgi.service.prefs, \
 
 -requires: \
+	org.eclipse.core.jobs;version=3.4.1, \
 	org.eclipse.core.runtime;version=3.4.0, \
+	org.eclipse.equinox.common;version=3.4.0, \
 	org.eclipse.equinox.registry;version=3.4.0, \
 	org.eclipse.jface.text;version=3.4.2, \
 	org.eclipse.swt;version=3.4.2, \