diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog for shake-language-c
 
+## [v0.6.3][]
+
+### Changed
+
+* Fix bug in `Development.Shake.Language.C.Target.OSX`: `getPlatformVersionsWithRoot` works correctly now with SDK directories without version number, as introduced by Xcode 6
+
 ## [v0.6.2][]
 
 Bug fix release.
@@ -26,10 +32,11 @@
 * Remove `libppapi`, `libppapi_cpp`, `libnacl_io`, `libppapi_simple` from `Development.Shake.Language.C.Target.NaCl`.
 * Remove `Development.Shake.Language.C.Target.archString`.
 
-## [0.5.0][]
+## [v0.5.0][]
 
 First released version.
 
+[v0.6.3]: https://github.com/samplecount/shake-language-c/tree/v0.6.3
 [v0.6.2]: https://github.com/samplecount/shake-language-c/tree/v0.6.2
 [v0.6.1]: https://github.com/samplecount/shake-language-c/tree/v0.6.1
 [v0.6.0]: https://github.com/samplecount/shake-language-c/tree/v0.6.0
diff --git a/shake-language-c.cabal b/shake-language-c.cabal
--- a/shake-language-c.cabal
+++ b/shake-language-c.cabal
@@ -13,7 +13,7 @@
 -- limitations under the License.
 
 Name:         shake-language-c
-Version:      0.6.2
+Version:      0.6.3
 Synopsis:     Utilities for cross-compiling with Shake
 Description:  This library provides <http://hackage.haskell.org/package/shake Shake> utilities for cross-compiling @C@, @C++@ and @ObjC@ code for various target platforms. Currently supported target platforms are Android, iOS, Linux, MacOS X, Windows\/MinGW and Google Portable Native Client (PNaCl). Supported host platforms are MacOS X, Linux and Windows.
 Category:     Development
diff --git a/src/Development/Shake/Language/C/Target/OSX.hs b/src/Development/Shake/Language/C/Target/OSX.hs
--- a/src/Development/Shake/Language/C/Target/OSX.hs
+++ b/src/Development/Shake/Language/C/Target/OSX.hs
@@ -50,7 +50,7 @@
 import           Development.Shake.Language.C.Label
 import           Development.Shake.Language.C.ToolChain
 import           System.Process (readProcess)
-import           Text.Read (readEither)
+import           Text.Read (readMaybe)
 
 archString :: Arch -> String
 archString arch =
@@ -109,14 +109,13 @@
 getPlatformVersionsWithRoot :: Platform -> DeveloperPath -> Action [Version]
 getPlatformVersionsWithRoot platform (DeveloperPath sdkRoot) = do
   dirs <- getDirectoryDirs (sdkDirectory sdkRoot platform)
-  case mapMaybe (stripPrefix name) dirs of
-    [] -> error $ "OSX: No SDK found for " ++ name
-    xs -> return [ flip Version []
-                 . map (either error id . readEither)
-                 . splitOn "."
-                 . dropExtension $ x
-                 | x <- xs ]
+  case mapMaybe (\x -> parseVersion =<< stripPrefix name (dropExtension x)) dirs of
+    [] -> error $ "No SDK found for " ++ name
+    xs -> return xs
   where name = platformName platform
+        parseVersion "" = Nothing
+        parseVersion str =
+          flip Version [] <$> mapM readMaybe (splitOn "." str)
 
 -- | Return a list of available platform SDK versions.
 --