diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -1,3 +1,7 @@
+3.0.3
+-----
+* Trustworthy or Safe depending on GHC version
+
 3.0.2
 -------
 * GHC 7.7 HEAD compatibility
diff --git a/comonad.cabal b/comonad.cabal
--- a/comonad.cabal
+++ b/comonad.cabal
@@ -1,6 +1,6 @@
 name:          comonad
 category:      Control, Comonads
-version:       3.0.2
+version:       3.0.3
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
diff --git a/src/Control/Comonad.hs b/src/Control/Comonad.hs
--- a/src/Control/Comonad.hs
+++ b/src/Control/Comonad.hs
@@ -1,7 +1,11 @@
 {-# LANGUAGE CPP #-}
+#ifdef __GLASGOW_HASKELL__
 #if __GLASGOW_HASKELL__ >= 707
-{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving #-}
+{-# LANGUAGE DeriveDataTypeable, StandaloneDeriving, Safe #-}
+#elif __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
 #endif
+#endif
  -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad
@@ -318,7 +322,7 @@
 
 instance Applicative (Cokleisli w a) where
   pure = Cokleisli . const
-  Cokleisli f <*> Cokleisli a = Cokleisli (\w -> (f w) (a w))
+  Cokleisli f <*> Cokleisli a = Cokleisli (\w -> f w (a w))
 
 instance Monad (Cokleisli w a) where
   return = Cokleisli . const