diff --git a/xmonad-contrib.cabal b/xmonad-contrib.cabal
index 530c4104..99f67d92 100644
--- a/xmonad-contrib.cabal
+++ b/xmonad-contrib.cabal
@@ -327,6 +327,7 @@ library
                         XMonad.Util.NoTaskbar
                         XMonad.Util.Paste
                         XMonad.Util.PositionStore
+                        XMonad.Util.Rectangle
                         XMonad.Util.RemoteWindows
                         XMonad.Util.Replace
                         XMonad.Util.Run