diff --git a/Operations.hs b/Operations.hs
index eed426c..9acfaf0 100644
--- a/Operations.hs
+++ b/Operations.hs
@@ -1,7 +1,7 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
-{-# LANGUAGE FlexibleInstances #-}
+{-# OPTIONS_GHC -fglasgow-exts #-} -- For deriving Data/Typeable
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards, TypeSynonymInstances #-}
 
--- \^^ deriving Typeable
 -- --------------------------------------------------------------------------
 -- |
 -- Module      :  Operations.hs
diff --git a/XMonad.hs b/XMonad.hs
index f88e0aa..e487a81 100644
--- a/XMonad.hs
+++ b/XMonad.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving, MultiParamTypeClasses #-}
 
 -----------------------------------------------------------------------------
 -- |