diff --git a/data-transform.cabal b/data-transform.cabal
--- a/data-transform.cabal
+++ b/data-transform.cabal
@@ -1,5 +1,5 @@
 name:                data-transform
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Functions to transform data structures.
 description:         This library provides a simple way to transform parts of
                      complex data structures. It is based on Data.Data.
@@ -28,3 +28,8 @@
   hs-source-dirs:      src
   ghc-options:         -Wall -fwarn-tabs -fwarn-incomplete-record-updates -fwarn-monomorphism-restriction -fwarn-incomplete-uni-patterns
   default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: git://github.com/ajscholl/data-transform.git
+
diff --git a/src/Data/Transform.hs b/src/Data/Transform.hs
--- a/src/Data/Transform.hs
+++ b/src/Data/Transform.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE Trustworthy #-}
+{-# LANGUAGE Safe #-}
 -----------------------------------------------------------------------------
 -- |
 -- Copyright   :  (c) 2014 Jonas Scholl
diff --git a/src/Data/Transform/Internal.hs b/src/Data/Transform/Internal.hs
--- a/src/Data/Transform/Internal.hs
+++ b/src/Data/Transform/Internal.hs
@@ -57,7 +57,7 @@
 import Data.Set (Set)
 import qualified Data.Set as Set
 
-import GHC.Exts hiding (Any)
+import GHC.Exts (IsList(..))
 import Unsafe.Coerce
 
 -- | Wrapper object holding some endomorphism without exposing its type.