diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE LambdaCase, OverloadedStrings #-}
+{-# LANGUAGE LambdaCase, OverloadedStrings, CPP #-}
 module Main where
 
 import Control.Monad
@@ -83,7 +83,11 @@
     let o = foldl (flip id) defaultOptions fs
     q <- case parse (parseQuery <* eof) "argument" $ T.pack qs of
       Left e -> do
+#if MIN_VERSION_megaparsec(7,0,0)
+        hPutStrLn stderr $ errorBundlePretty e
+#else
         hPutStrLn stderr $ parseErrorPretty e
+#endif
         exitWith (ExitFailure 2)
       Right a -> pure a
     forM_ paths $ \case
diff --git a/winery.cabal b/winery.cabal
--- a/winery.cabal
+++ b/winery.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4ead2da6a0b01af505f6701a2dc47a578d28bf11bc94f86dd7d2a8a9965f23e2
+-- hash: 3ff70b5fa2376a218f9a64788b8b4456cdf456bda04e35866d05ab985880148b
 
 name:           winery
-version:        0.3
+version:        0.3.1
 synopsis:       Sustainable serialisation library
 description:    Please see the README on Github at <https://github.com/fumieval/winery#readme>
 category:       Data, Codec, Parsing, Serialization
@@ -16,6 +16,7 @@
 copyright:      Copyright (c) 2018 Fumiaki Kinoshita
 license:        BSD3
 license-file:   LICENSE
+tested-with:    GHC == 7.10.1, GHC == 8.4.1, GHC == 8.6.1
 build-type:     Simple
 cabal-version:  >= 1.10
 extra-source-files:
@@ -27,15 +28,6 @@
   location: https://github.com/fumieval/winery
 
 library
-  exposed-modules:
-      Data.Winery
-      Data.Winery.Term
-      Data.Winery.Internal
-      Data.Winery.Internal.Builder
-      Data.Winery.Query
-      Data.Winery.Query.Parser
-  other-modules:
-      Paths_winery
   hs-source-dirs:
       src
   ghc-options: -Wall -O2
@@ -57,6 +49,15 @@
     , transformers
     , unordered-containers
     , vector
+  exposed-modules:
+      Data.Winery
+      Data.Winery.Term
+      Data.Winery.Internal
+      Data.Winery.Internal.Builder
+      Data.Winery.Query
+      Data.Winery.Query.Parser
+  other-modules:
+      Paths_winery
   default-language: Haskell2010
 
 executable winery
@@ -89,8 +90,6 @@
 test-suite spec
   type: exitcode-stdio-1.0
   main-is: Spec.hs
-  other-modules:
-      Paths_winery
   hs-source-dirs:
       test
   build-depends:
@@ -113,6 +112,8 @@
     , unordered-containers
     , vector
     , winery
+  other-modules:
+      Paths_winery
   default-language: Haskell2010
 
 benchmark bench-winery