diff --git a/hls-stylish-haskell-plugin.cabal b/hls-stylish-haskell-plugin.cabal
--- a/hls-stylish-haskell-plugin.cabal
+++ b/hls-stylish-haskell-plugin.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.4
 name:               hls-stylish-haskell-plugin
-version:            1.0.0.0
+version:            1.0.0.1
 synopsis:           Integration with the Stylish Haskell code formatter
 license:            Apache-2.0
 license-file:       LICENSE
@@ -22,10 +22,9 @@
     , filepath
     , ghc
     , ghc-boot-th
-    , ghcide           ^>=1.2
+    , ghcide           >=1.2  && <1.5
     , hls-plugin-api   ^>=1.1
     , lsp-types
-    , mtl
     , stylish-haskell  ^>=0.12
     , text
 
@@ -39,7 +38,6 @@
   ghc-options:      -threaded -rtsopts -with-rtsopts=-N
   build-depends:
     , base
-    , bytestring
+    , filepath
     , hls-stylish-haskell-plugin
     , hls-test-utils              ^>=1.0
-    , text
diff --git a/src/Ide/Plugin/StylishHaskell.hs b/src/Ide/Plugin/StylishHaskell.hs
--- a/src/Ide/Plugin/StylishHaskell.hs
+++ b/src/Ide/Plugin/StylishHaskell.hs
@@ -1,7 +1,6 @@
 {-# LANGUAGE OverloadedStrings #-}
 module Ide.Plugin.StylishHaskell
-  (
-    descriptor
+  ( descriptor
   , provider
   )
 where
@@ -18,7 +17,6 @@
 import           Ide.Types
 import           Language.Haskell.Stylish
 import           Language.LSP.Types          as J
-
 import           System.Directory
 import           System.FilePath
 
diff --git a/test/Main.hs b/test/Main.hs
--- a/test/Main.hs
+++ b/test/Main.hs
@@ -1,26 +1,28 @@
 {-# LANGUAGE OverloadedStrings #-}
-module Main(main) where
+module Main
+  ( main
+  ) where
 
-import qualified Data.ByteString.Lazy      as BS
-import qualified Data.Text.Encoding        as T
-import qualified Data.Text.IO              as T
 import qualified Ide.Plugin.StylishHaskell as StylishHaskell
+import           System.FilePath
 import           Test.Hls
 
 main :: IO ()
 main = defaultTestRunner tests
 
-plugin :: PluginDescriptor IdeState
-plugin = StylishHaskell.descriptor "stylishHaskell"
+stylishHaskellPlugin :: PluginDescriptor IdeState
+stylishHaskellPlugin = StylishHaskell.descriptor "stylishHaskell"
 
 tests :: TestTree
-tests = testGroup "stylish-haskell" [
-  goldenGitDiff "formats a document" "test/testdata/StylishHaskell.formatted_document.hs" $ runSessionWithServerFormatter plugin "stylishHaskell" "test/testdata" $ do
-      doc <- openDoc "StylishHaskell.hs" "haskell"
+tests = testGroup "stylish-haskell"
+  [ goldenWithStylishHaskell "formats a document" "StylishHaskell" "formatted_document" $ \doc -> do
       formatDoc doc (FormattingOptions 2 True Nothing Nothing Nothing)
-      BS.fromStrict . T.encodeUtf8 <$> documentContents doc
-  , goldenGitDiff "formats a range" "test/testdata/StylishHaskell.formatted_range.hs" $ runSessionWithServerFormatter plugin "stylishHaskell" "test/testdata" $ do
-      doc <- openDoc "StylishHaskell.hs" "haskell"
+  , goldenWithStylishHaskell "formats a range" "StylishHaskell" "formatted_range" $ \doc -> do
       formatRange doc (FormattingOptions 2 True Nothing Nothing Nothing) (Range (Position 0 0) (Position 2 21))
-      BS.fromStrict . T.encodeUtf8 <$> documentContents doc
   ]
+
+goldenWithStylishHaskell :: TestName -> FilePath -> FilePath -> (TextDocumentIdentifier -> Session ()) -> TestTree
+goldenWithStylishHaskell title fp desc = goldenWithHaskellDocFormatter stylishHaskellPlugin "stylishHaskell" title testDataDir fp desc "hs"
+
+testDataDir :: FilePath
+testDataDir = "test" </> "testdata"