diff --git a/packages.ia b/packages.ia
index 763a5fa..46c0442 100644
--- a/packages.ia
+++ b/packages.ia
@@ -445,8 +445,8 @@ if @X {
     install yakuake;
 
     # window managers
-    install xmonad stumpwm wmii awesome openbox openbox-themes
-            openbox-gnome-session openbox-kde-session;
+    install xmonad libghc-xmonad-contrib-dev stumpwm wmii awesome openbox
+            openbox-themes openbox-gnome-session openbox-kde-session;
 
     # widgets
     install xmobar;