diff --git a/chell.cabal b/chell.cabal
--- a/chell.cabal
+++ b/chell.cabal
@@ -1,5 +1,5 @@
 name: chell
-version: 0.1.1
+version: 0.1.2
 synopsis: Quiet test runner
 license: MIT
 license-file: license.txt
@@ -24,7 +24,7 @@
     , bytestring >= 0.9 && < 0.10
     , patience >= 0.1 && < 0.2
     , random
-    , template-haskell >= 2.3 && < 2.6
+    , template-haskell >= 2.3 && < 2.7
     , text >= 0.7
     , transformers >= 0.2 && < 0.3
 
diff --git a/src/Test/Chell.hs b/src/Test/Chell.hs
--- a/src/Test/Chell.hs
+++ b/src/Test/Chell.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE TemplateHaskell #-}
 {-# LANGUAGE TypeSynonymInstances #-}
+{-# LANGUAGE FlexibleInstances #-}
 
 module Test.Chell
 	(