diff --git a/hls-hlint-plugin.cabal b/hls-hlint-plugin.cabal
--- a/hls-hlint-plugin.cabal
+++ b/hls-hlint-plugin.cabal
@@ -1,8 +1,10 @@
 cabal-version: 2.2
 name:          hls-hlint-plugin
-version:       1.0.0.1
+version:       1.0.0.2
 synopsis:      Hlint integration plugin with Haskell Language Server
-description:   Please see Haskell Language Server Readme (https://github.com/haskell/haskell-language-server#readme)
+description:
+  Please see Haskell Language Server Readme (https://github.com/haskell/haskell-language-server#readme)
+
 license:       Apache-2.0
 license-file:  LICENSE
 author:        The Haskell IDE Team
@@ -23,29 +25,29 @@
     Force dependency on ghc-lib-parser even if GHC API in the ghc package is supported
 
 library
-  exposed-modules:  Ide.Plugin.Hlint
-  hs-source-dirs:   src
+  exposed-modules:    Ide.Plugin.Hlint
+  hs-source-dirs:     src
   build-depends:
     , aeson
-    , apply-refact             >=0.9
-    , base                     >=4.12 && <5
+    , apply-refact          >=0.9
+    , base                  >=4.12    && <5
     , binary
     , bytestring
     , containers
     , data-default
     , deepseq
-    , Diff
+    , Diff                  ^>=0.4.0
     , directory
     , extra
     , filepath
-    , ghc-exactprint           >=0.6.3.4
-    , ghcide                   ^>= 1.0.0.0
+    , ghc-exactprint        >=0.6.3.4
+    , ghcide                ^>=1.2
     , hashable
-    , lsp
-    , hlint                    >=3.2
-    , hls-plugin-api           ^>= 1.0.0.0
+    , hlint                 ^>=3.2
+    , hls-plugin-api        ^>=1.1
     , hslogger
     , lens
+    , lsp
     , regex-tdfa
     , shake
     , temporary
@@ -53,21 +55,25 @@
     , transformers
     , unordered-containers
 
-  if (!flag(ghc-lib) && impl(ghc >=8.10.1) && impl(ghc <9.0.0))
-    build-depends: ghc ^>= 8.10
+  if ((!flag(ghc-lib) && impl(ghc >=8.10.1)) && impl(ghc <9.0.0))
+    build-depends: ghc ^>=8.10
 
   else
     build-depends:
       , ghc
-      , ghc-lib            ^>= 8.10.4.20210206
-      , ghc-lib-parser-ex  ^>= 8.10
+      , ghc-lib            ^>=8.10.4.20210206
+      , ghc-lib-parser-ex  ^>=8.10
 
     cpp-options:   -DHLINT_ON_GHC_LIB
 
-  ghc-options:      -Wall -Wredundant-constraints -Wno-name-shadowing -Wno-unticked-promoted-constructors
+  ghc-options:
+    -Wall -Wredundant-constraints -Wno-name-shadowing
+    -Wno-unticked-promoted-constructors
 
   if flag(pedantic)
     ghc-options: -Werror
 
-  default-language: Haskell2010
-  default-extensions: DataKinds, TypeOperators
+  default-language:   Haskell2010
+  default-extensions:
+    DataKinds
+    TypeOperators
diff --git a/src/Ide/Plugin/Hlint.hs b/src/Ide/Plugin/Hlint.hs
--- a/src/Ide/Plugin/Hlint.hs
+++ b/src/Ide/Plugin/Hlint.hs
@@ -190,7 +190,7 @@
 
 getIdeas :: NormalizedFilePath -> Action (Either ParseError [Idea])
 getIdeas nfp = do
-  logm $ "hlint:getIdeas:file:" ++ show nfp
+  debugm $ "hlint:getIdeas:file:" ++ show nfp
   (flags, classify, hint) <- useNoFile_ GetHlintSettings
 
   let applyHints' (Just (Right modEx)) = Right $ applyHints classify hint [modEx]
@@ -222,7 +222,7 @@
 
         setExtensions flags = do
           hlintExts <- getExtensions flags nfp
-          logm $ "hlint:getIdeas:setExtensions:" ++ show hlintExts
+          debugm $ "hlint:getIdeas:setExtensions:" ++ show hlintExts
           return $ flags { enabledExtensions = hlintExts }
 
 getExtensions :: ParseFlags -> NormalizedFilePath -> Action [Extension]
@@ -234,8 +234,8 @@
     return hlintExts
   where getFlags :: Action DynFlags
         getFlags = do
-          (modsum, _) <- use_ GetModSummary nfp
-          return $ ms_hspp_opts modsum
+          modsum <- use_ GetModSummary nfp
+          return $ ms_hspp_opts $ msrModSummary modsum
 #endif
 
 -- ---------------------------------------------------------------------
@@ -289,7 +289,7 @@
     applyAllAction =
       let args = Just [toJSON (docId ^. LSP.uri)]
           cmd = mkLspCommand plId "applyAll" "Apply all hints" args
-        in LSP.CodeAction "Apply all hints" (Just LSP.CodeActionQuickFix) Nothing Nothing Nothing Nothing (Just cmd)
+        in LSP.CodeAction "Apply all hints" (Just LSP.CodeActionQuickFix) Nothing Nothing Nothing Nothing (Just cmd) Nothing
 
     applyOneActions :: [LSP.CodeAction]
     applyOneActions = mapMaybe mkHlintAction (filter validCommand diags)
@@ -306,7 +306,7 @@
     mkHlintAction diag@(LSP.Diagnostic (LSP.Range start _) _s (Just (InR code)) (Just "hlint") _ _ _) =
       Just . codeAction $ mkLspCommand plId "applyOne" title (Just args)
      where
-       codeAction cmd = LSP.CodeAction title (Just LSP.CodeActionQuickFix) (Just (LSP.List [diag])) Nothing Nothing Nothing (Just cmd)
+       codeAction cmd = LSP.CodeAction title (Just LSP.CodeActionQuickFix) (Just (LSP.List [diag])) Nothing Nothing Nothing (Just cmd) Nothing
        -- we have to recover the original ideaHint removing the prefix
        ideaHint = T.replace "refact:" "" code
        title = "Apply hint: " <> ideaHint
@@ -378,8 +378,8 @@
     let fp = fromNormalizedFilePath nfp
     (_, mbOldContent) <- liftIO $ runAction' $ getFileContents nfp
     oldContent <- maybe (liftIO $ T.readFile fp) return mbOldContent
-    (modsum, _) <- liftIO $ runAction' $ use_ GetModSummary nfp
-    let dflags = ms_hspp_opts modsum
+    modsum <- liftIO $ runAction' $ use_ GetModSummary nfp
+    let dflags = ms_hspp_opts $ msrModSummary modsum
     -- Setting a environment variable with the libdir used by ghc-exactprint.
     -- It is a workaround for an error caused by the use of a hadcoded at compile time libdir
     -- in ghc-exactprint that makes dependent executables non portables.