diff --git a/Data/Conduit/Async/Composition.hs b/Data/Conduit/Async/Composition.hs
--- a/Data/Conduit/Async/Composition.hs
+++ b/Data/Conduit/Async/Composition.hs
@@ -3,7 +3,6 @@
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE KindSignatures #-}
-{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE RecordWildCards #-}
diff --git a/stm-conduit.cabal b/stm-conduit.cabal
--- a/stm-conduit.cabal
+++ b/stm-conduit.cabal
@@ -1,5 +1,5 @@
 Name:                stm-conduit
-Version:             2.6.0
+Version:             2.6.1
 Synopsis:            Introduces conduits to channels, and promotes using
                      conduits concurrently.
 Description:         Provides two simple conduit wrappers around STM