diff --git a/comonads-fd.cabal b/comonads-fd.cabal
--- a/comonads-fd.cabal
+++ b/comonads-fd.cabal
@@ -1,6 +1,6 @@
 name:          comonads-fd
 category:      Control, Comonads
-version:       3.0.1
+version:       3.0.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
diff --git a/src/Control/Comonad/Env.hs b/src/Control/Comonad/Env.hs
--- a/src/Control/Comonad/Env.hs
+++ b/src/Control/Comonad/Env.hs
@@ -1,3 +1,7 @@
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Env
diff --git a/src/Control/Comonad/Env/Class.hs b/src/Control/Comonad/Env/Class.hs
--- a/src/Control/Comonad/Env/Class.hs
+++ b/src/Control/Comonad/Env/Class.hs
@@ -2,6 +2,10 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Env.Class
diff --git a/src/Control/Comonad/Identity.hs b/src/Control/Comonad/Identity.hs
--- a/src/Control/Comonad/Identity.hs
+++ b/src/Control/Comonad/Identity.hs
@@ -1,3 +1,7 @@
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Identity
diff --git a/src/Control/Comonad/Store.hs b/src/Control/Comonad/Store.hs
--- a/src/Control/Comonad/Store.hs
+++ b/src/Control/Comonad/Store.hs
@@ -1,3 +1,7 @@
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Store
diff --git a/src/Control/Comonad/Store/Class.hs b/src/Control/Comonad/Store/Class.hs
--- a/src/Control/Comonad/Store/Class.hs
+++ b/src/Control/Comonad/Store/Class.hs
@@ -2,6 +2,10 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Store.Class
diff --git a/src/Control/Comonad/Traced.hs b/src/Control/Comonad/Traced.hs
--- a/src/Control/Comonad/Traced.hs
+++ b/src/Control/Comonad/Traced.hs
@@ -1,3 +1,7 @@
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Traced
diff --git a/src/Control/Comonad/Traced/Class.hs b/src/Control/Comonad/Traced/Class.hs
--- a/src/Control/Comonad/Traced/Class.hs
+++ b/src/Control/Comonad/Traced/Class.hs
@@ -2,6 +2,10 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE UndecidableInstances #-}
+{-# LANGUAGE CPP #-}
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ >= 702
+{-# LANGUAGE Trustworthy #-}
+#endif
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Control.Comonad.Traced.Class