diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 3.0.4.3
+
+Test suite warning cleanup
+
 ## 3.0.4.2
 
 Allow blaze-builder 0.4
diff --git a/test/WaiExtraSpec.hs b/test/WaiExtraSpec.hs
--- a/test/WaiExtraSpec.hs
+++ b/test/WaiExtraSpec.hs
@@ -1,9 +1,14 @@
+{-# LANGUAGE CPP #-}
 {-# LANGUAGE OverloadedStrings #-}
 module WaiExtraSpec (spec, toRequest) where
 
 import Test.Hspec
 import Test.HUnit hiding (Test)
-import Data.Monoid (mappend, mempty, (<>))
+#if MIN_VERSION_base(4,8,0)
+import Data.Monoid ((<>))
+#else
+import Data.Monoid (mempty, mappend, (<>))
+#endif
 
 import Network.Wai
 import Network.Wai.Test
diff --git a/wai-extra.cabal b/wai-extra.cabal
--- a/wai-extra.cabal
+++ b/wai-extra.cabal
@@ -1,5 +1,5 @@
 Name:                wai-extra
-Version:             3.0.4.2
+Version:             3.0.4.3
 Synopsis:            Provides some basic WAI handlers and middleware.
 description:         API docs and the README are available at <http://www.stackage.org/package/wai-extra>.
 License:             MIT