diff --git a/Control/Monad/MVar.hs b/Control/Monad/MVar.hs
index 6a6a461..9313999 100644
--- a/Control/Monad/MVar.hs
+++ b/Control/Monad/MVar.hs
@@ -52,7 +52,7 @@ modifyMVar m io =
 
 addMVarFinalizer :: MonadControlIO m => MVar a -> m () -> m ()
 addMVarFinalizer mvar f = controlIO $ \run ->
-    return $ liftIO $ addMVarFinalizer mvar (run f >> return ())
+    return $ liftIO $ IO.addMVarFinalizer mvar (run f >> return ())
 
 modifyMVar_ :: (MonadControlIO m) => MVar a -> (a -> m a) -> m ()
 modifyMVar_ var act = modifyMVar var $ \a -> do
diff --git a/mongoDB.cabal b/mongoDB.cabal
index 752a480..94405e0 100644
--- a/mongoDB.cabal
+++ b/mongoDB.cabal
@@ -1,5 +1,5 @@
 name: mongoDB
-version: 1.0.2
+version: 1.0.3
 build-type: Simple
 license: OtherLicense
 license-file: LICENSE