diff --git a/Megadeth/Prim.hs b/Megadeth/Prim.hs
index eb969a5..ad1782c 100644
--- a/bundled/megadeth/Megadeth/Prim.hs
+++ b/bundled/megadeth/Megadeth/Prim.hs
@@ -3,2 +3,3 @@
 {-# LANGUAGE ViewPatterns    #-}
+{-# LANGUAGE CPP             #-}
 module Megadeth.Prim where
@@ -137,3 +138,7 @@ getDeps t ban = do
       case tip of
+#if MIN_VERSION_template_haskell(2,11,0)
+                    TyConI (DataD _ _ _ _mkind constructors _) -> do
+#else
                     TyConI (DataD _ _ _ constructors _) -> do
+#endif
                           let innerTypes = nub $ concat [ findLeafTypes ty | (simpleConView t -> SimpleCon _ _ tys) <- constructors, ty <- tys, not (isVarT ty) ]
@@ -146,3 +151,7 @@ getDeps t ban = do
                           mapM_ getDeps' hof
+#if MIN_VERSION_template_haskell(2,11,0)
+                    TyConI (NewtypeD _ nm _  _mkind constructor _) -> do
+#else
                     TyConI (NewtypeD _ nm _ constructor _) -> do
+#endif
                           let (SimpleCon _ 0 ts )= simpleConView nm constructor
@@ -187,4 +196,9 @@ isinsName className n = do
         case inf of
+#if MIN_VERSION_template_haskell(2,11,0)
+            TyConI (DataD _ _ preq _mkind _ _) -> doPreq className n preq
+            TyConI (NewtypeD _ _ preq _mkind _ _) -> doPreq className n preq
+#else
             TyConI (DataD _ _ preq _ _) -> doPreq className n preq
             TyConI (NewtypeD _ _ preq _ _) -> doPreq className n preq
+#endif
             TyConI (TySynD _ preq _ ) -> doPreq className n preq