diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 1.2.6.6
+
+* Fix test suite compilation on older GHCs
+
 ## 1.2.6.5
 
 * In zipConduitApp, left bias not respected mixing monadic and non-monadic conduits [#263](https://github.com/snoyberg/conduit/pull/263)
diff --git a/conduit.cabal b/conduit.cabal
--- a/conduit.cabal
+++ b/conduit.cabal
@@ -1,5 +1,5 @@
 Name:                conduit
-Version:             1.2.6.5
+Version:             1.2.6.6
 Synopsis:            Streaming data processing library.
 description:
     Hackage documentation generation is not reliable. For up to date documentation, please see: <http://www.stackage.org/package/conduit>.
diff --git a/test/Data/Conduit/Extra/ZipConduitSpec.hs b/test/Data/Conduit/Extra/ZipConduitSpec.hs
--- a/test/Data/Conduit/Extra/ZipConduitSpec.hs
+++ b/test/Data/Conduit/Extra/ZipConduitSpec.hs
@@ -2,7 +2,7 @@
 import Test.Hspec
 import Data.Conduit
 import qualified Data.Conduit.List as CL
-import Control.Applicative ((<*))
+import Control.Applicative ((<*), pure)
 
 spec :: Spec
 spec = describe "Data.Conduit.Extra.ZipConduit" $ do