diff --git a/XMonad/Layout/MultiToggle.hs b/XMonad/Layout/MultiToggle.hs
--- a/XMonad/Layout/MultiToggle.hs
+++ b/XMonad/Layout/MultiToggle.hs
@@ -159,7 +159,7 @@
 infixr 0 ??
 -- | Prepend an element to a heterogeneous list. Used to build transformer
 -- tables for 'mkToggle'.
-(??) :: (HList b w) => a -> b -> HCons a b
+(??) ::  a -> b -> HCons a b
 (??) = HCons
 
 -- | Construct a singleton transformer table.
diff --git a/xmonad-contrib.cabal b/xmonad-contrib.cabal
--- a/xmonad-contrib.cabal
+++ b/xmonad-contrib.cabal
@@ -1,5 +1,5 @@
 name:               xmonad-contrib
-version:            0.11.2
+version:            0.11.3
 homepage:           http://xmonad.org/
 synopsis:           Third party extensions for xmonad
 description:
@@ -34,7 +34,7 @@
 build-type:         Simple
 bug-reports:        http://code.google.com/p/xmonad/issues/list
 
-tested-with:        GHC==7.6.1
+tested-with:        GHC == 7.8.2, GHC==7.6.2, GHC==7.4.1, GHC==7.2.1, GHC==7.0.4
 
 source-repository head
   type:     darcs