diff --git a/src/Control/Monad/ST/Lazy.hs b/src/Control/Monad/ST/Lazy.hs
--- a/src/Control/Monad/ST/Lazy.hs
+++ b/src/Control/Monad/ST/Lazy.hs
@@ -13,7 +13,7 @@
 
 import qualified Control.Monad.ST.Strict as Strict
 import Control.Monad.Trans.State (StateT(StateT), mapStateT, evalStateT, )
-import Control.Monad.Trans (lift, )
+import Control.Monad.Trans.Class (lift, )
 import Control.Monad.Fix (MonadFix, mfix, )
 import Control.Applicative (Applicative(pure, (<*>)), )
 import System.IO.Unsafe (unsafePerformIO, unsafeInterleaveIO, )
diff --git a/statethread.cabal b/statethread.cabal
--- a/statethread.cabal
+++ b/statethread.cabal
@@ -1,5 +1,5 @@
 Name:           statethread
-Version:        0.1
+Version:        0.1.1
 License:        BSD3
 License-File:   LICENSE
 Maintainer:     haskell@henning-thielemann.de
@@ -16,17 +16,17 @@
 Tested-With:    JHC==0.7.3
 
 Source-Repository this
-  Tag:         0.1
+  Tag:         0.1.1
   Type:        darcs
-  Location:    http://darcs.haskell.org/packages/statethread/
+  Location:    http://code.haskell.org/~thielema/statethread/
 
 Source-Repository head
   Type:        darcs
-  Location:    http://darcs.haskell.org/packages/statethread/
+  Location:    http://code.haskell.org/~thielema/statethread/
 
 Library
   Build-Depends:
-    transformers >=0.0 && <0.2,
+    transformers >=0.2 && <0.4,
     applicative >=1.0 && <1.1,
     base >=1.0 && <2
   Extensions: Rank2Types