diff --git a/CHANGES.md b/CHANGES.md
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,11 @@
 Changes
 =======
 
+Version 1.0.4
+-------------
+
+Fix compatibility with GHC 7.4.1
+
 Version 1.0.3
 -------------
 
diff --git a/Test/SmallCheck/Drivers.hs b/Test/SmallCheck/Drivers.hs
--- a/Test/SmallCheck/Drivers.hs
+++ b/Test/SmallCheck/Drivers.hs
@@ -9,6 +9,7 @@
 -- run SmallCheck tests
 --------------------------------------------------------------------
 {-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE Safe #-}
 module Test.SmallCheck.Drivers (
   smallCheck, smallCheckM, smallCheckWithHook,
   test,
diff --git a/Test/SmallCheck/Property/Result.hs b/Test/SmallCheck/Property/Result.hs
--- a/Test/SmallCheck/Property/Result.hs
+++ b/Test/SmallCheck/Property/Result.hs
@@ -1,4 +1,5 @@
 {-# LANGUAGE TypeSynonymInstances, FlexibleInstances, DefaultSignatures #-}
+{-# LANGUAGE Safe #-}
 module Test.SmallCheck.Property.Result
   ( PropertySuccess(..)
   , PropertyFailure(..)
diff --git a/smallcheck.cabal b/smallcheck.cabal
--- a/smallcheck.cabal
+++ b/smallcheck.cabal
@@ -1,5 +1,5 @@
 Name:          smallcheck
-Version:       1.0.3
+Version:       1.0.4
 Cabal-Version: >= 1.6
 License:       BSD3
 License-File:  LICENSE
@@ -27,7 +27,7 @@
 Source-repository this
   type:     git
   location: git://github.com/feuerbach/smallcheck.git
-  tag:      v1.0.3
+  tag:      v1.0.4
 
 Library