diff --git a/GOL/Space.hs b/GOL/Space.hs
index 52a7fa7..303aef0 100644
--- a/GOL/Space.hs
+++ b/GOL/Space.hs
@@ -1,3 +1,8 @@
+{-# LANGUAGE AllowAmbiguousTypes #-}
+{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE TypeFamilies #-}
+
 module GOL.Space where
 
 import Data.Functor.Rep
diff --git a/conways-game-of-life.cabal b/conways-game-of-life.cabal
index af5e877..00ee47e 100644
--- a/conways-game-of-life.cabal
+++ b/conways-game-of-life.cabal
@@ -7,9 +7,11 @@ build-type:     Simple
 cabal-version:  >= 1.8
 
 executable main
-  main-is:            Main.hs
-  build-depends:      base,
-                      comonad,
-                      Yampa,
-                      adjunctions
-  default-extensions: MultiParamTypeClasses
\ No newline at end of file
+  main-is:        Main.hs
+  other-modules:  GOL.Rule,
+                  GOL.Space,
+                  GOL.Engine
+  build-depends:  base,
+                  comonad,
+                  Yampa,
+                  adjunctions
\ No newline at end of file