diff --git a/Network/Wai/Handler/Warp/Timeout.hs b/Network/Wai/Handler/Warp/Timeout.hs
--- a/Network/Wai/Handler/Warp/Timeout.hs
+++ b/Network/Wai/Handler/Warp/Timeout.hs
@@ -1,6 +1,7 @@
 {-# LANGUAGE CPP #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE MagicHash #-}
+{-# LANGUAGE UnboxedTuples #-} -- for GHC 7.4 or earlier
 
 -- |
 --
diff --git a/warp.cabal b/warp.cabal
--- a/warp.cabal
+++ b/warp.cabal
@@ -1,5 +1,5 @@
 Name:                warp
-Version:             3.0.1
+Version:             3.0.1.1
 Synopsis:            A fast, light-weight web server for WAI applications.
 License:             MIT
 License-file:        LICENSE