diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+* 0.1.2.3
+
+  - Now builds with GHC 7
+
 * 0.1.2.2
 
   - Fix typo in documentation (davidL)
diff --git a/Data/List/Split/Internals.hs b/Data/List/Split/Internals.hs
--- a/Data/List/Split/Internals.hs
+++ b/Data/List/Split/Internals.hs
@@ -475,6 +475,7 @@
 --   whenever @n@ evenly divides the length of @xs@.
 splitEvery :: Int -> [e] -> [[e]]
 splitEvery i ls = map (take i) (build (splitter ls)) where
+  splitter :: [e] -> ([e] -> a -> a) -> a -> a
   splitter [] _ n = n
   splitter l c n  = l `c` splitter (drop i l) c n
 
@@ -492,6 +493,8 @@
 --   is total.
 splitPlaces :: Integral a => [a] -> [e] -> [[e]]
 splitPlaces is ys = build (splitPlacer is ys) where
+  splitPlacer :: forall i b t. Integral i
+              => [i] -> [b] -> ([b] -> t -> t) -> t -> t
   splitPlacer [] _ _ n      = n
   splitPlacer _ [] _ n      = n
   splitPlacer (l:ls) xs c n = let (x1, x2) = genericSplitAt l xs
diff --git a/split.cabal b/split.cabal
--- a/split.cabal
+++ b/split.cabal
@@ -1,5 +1,5 @@
 Name:                split
-Version:             0.1.2.2
+Version:             0.1.2.3
 Stability:           experimental
 Description:         Combinator library and utility functions for splitting lists.
 Homepage:            http://code.haskell.org/~byorgey/code/split