diff --git a/Data/Text/Encoding/Utf16.hs b/Data/Text/Encoding/Utf16.hs
--- a/Data/Text/Encoding/Utf16.hs
+++ b/Data/Text/Encoding/Utf16.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE MagicHash #-}
+{-# LANGUAGE MagicHash, BangPatterns #-}
 
 -- |
 -- Module      : Data.Text.Encoding.Utf16
diff --git a/Data/Text/Encoding/Utf8.hs b/Data/Text/Encoding/Utf8.hs
--- a/Data/Text/Encoding/Utf8.hs
+++ b/Data/Text/Encoding/Utf8.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE CPP, MagicHash #-}
+{-# LANGUAGE CPP, MagicHash, BangPatterns #-}
 
 -- |
 -- Module      : Data.Text.Encoding.Utf8
diff --git a/text.cabal b/text.cabal
--- a/text.cabal
+++ b/text.cabal
@@ -1,5 +1,5 @@
 name:           text
-version:        0.11.0.6
+version:        0.11.0.7
 homepage:       http://bitbucket.org/bos/text
 bug-reports:    http://bitbucket.org/bos/text/issues
 synopsis:       An efficient packed Unicode text type.