diff --git a/tests/TypesTest.hs b/tests/TypesTest.hs
--- a/tests/TypesTest.hs
+++ b/tests/TypesTest.hs
@@ -208,11 +208,11 @@
 case_parseErrorMsg :: Assertion
 case_parseErrorMsg =
     case parseStatus fixture_error_not_authorized of
-        Left str -> "Not authorized" @=? str
-        Right _ -> assertFailure "errorMsgJson should be parsed as an error."
+        Aeson.Error str -> "Not authorized" @=? str
+        Aeson.Success _ -> assertFailure "errorMsgJson should be parsed as an error."
   where
-    parseStatus :: Value -> Either String Status
-    parseStatus = parseEither parseJSON
+    parseStatus :: Value -> Aeson.Result Status
+    parseStatus = Aeson.parse parseJSON
 
 case_parseMediaEntity :: Assertion
 case_parseMediaEntity = withJSON fixture_media_entity $ \obj -> do
diff --git a/twitter-types.cabal b/twitter-types.cabal
--- a/twitter-types.cabal
+++ b/twitter-types.cabal
@@ -1,5 +1,5 @@
 name:              twitter-types
-version:           0.7.2
+version:           0.7.2.1
 license:           BSD3
 license-file:      LICENSE
 author:            Takahiro HIMURA