diff --git a/bench/Main.hs b/bench/Main.hs
--- a/bench/Main.hs
+++ b/bench/Main.hs
@@ -32,7 +32,7 @@
 createVector2 :: Int -> V.Vector Int
 createVector2 n = V.create $ do
   v <- MV.unsafeNew n
-  let loop = useAndChangeState $ \i -> MV.write v i i >> pure (i+1)
+  let step = useAndChangeState $ \i -> MV.write v i i >> pure (i+1)
   runPhantomStateT (replicateA_ n step) 0
   return v
 
diff --git a/phantom-state.cabal b/phantom-state.cabal
--- a/phantom-state.cabal
+++ b/phantom-state.cabal
@@ -1,5 +1,5 @@
 name:                phantom-state
-version:             0.2.1.1
+version:             0.2.1.2
 synopsis:            Phantom State Transformer. Like State Monad, but without values.
 description:         A monad transformer that mimics the State Monad Transformer from the
                      <http://hackage.haskell.org/package/transformers transformers> package,