diff -ru a/polkitgtk/polkit-gtk-1.pc.in b/polkitgtk/polkit-gtk-1.pc.in
--- a/polkitgtk/polkit-gtk-1.pc.in	2009-12-26 18:16:48.653703686 +1300
+++ b/polkitgtk/polkit-gtk-1.pc.in	2009-12-26 18:17:38.867028849 +1300
@@ -8,4 +8,4 @@
 Version: @VERSION@
 Libs: -L${libdir} -lpolkit-gtk-1
 Cflags: -I${includedir}/polkit-gtk-1
-Requires: polkit-gobject-1
+Requires: polkit-gobject-1 gtk+-2.0
