diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -32,8 +32,9 @@
   Options <$> parseMode <*> Options.Applicative.optional parseLogFile <*> parseVersion
   where
     parseLogFile = Options.Applicative.strOption
-      (Options.Applicative.long "log" <> Options.Applicative.help
-        "If present writes debug output to the specified file"
+      (  Options.Applicative.long "log"
+      <> Options.Applicative.help "If present writes debug output to the specified file"
+      <> Options.Applicative.action "file"
       )
 
     parseVersion = Options.Applicative.switch
diff --git a/dhall-lsp-server.cabal b/dhall-lsp-server.cabal
--- a/dhall-lsp-server.cabal
+++ b/dhall-lsp-server.cabal
@@ -1,5 +1,5 @@
 name:           dhall-lsp-server
-Version:        1.0.10
+Version:        1.0.11
 cabal-version:  1.12
 synopsis:       Language Server Protocol (LSP) server for Dhall
 homepage:       https://github.com/dhall-lang/dhall-haskell/tree/master/dhall-lsp-server#readme
@@ -50,10 +50,10 @@
     , containers           >= 0.5.11.0 && < 0.7
     , data-default         >= 0.7.1.1  && < 0.8
     , directory            >= 1.2.2.0  && < 1.4
-    , dhall                >= 1.35.0   && < 1.36
+    , dhall                >= 1.35.0   && < 1.37
     , dhall-json           >= 1.4      && < 1.8
     , filepath             >= 1.4.2    && < 1.5
-    , haskell-lsp          >= 0.19.0.0 && < 0.23
+    , haskell-lsp          >= 0.19.0.0 && < 0.24
     , rope-utf16-splay     >= 0.3.1.0  && < 0.4
     , hslogger             >= 1.2.10   && < 1.4
     , lens                 >= 4.16.1   && < 4.20
@@ -105,7 +105,7 @@
     GHC-Options: -Wall
     Build-Depends:
         base                                   ,
-        haskell-lsp-types >= 0.19.0  && < 0.23 ,
+        haskell-lsp-types >= 0.19.0  && < 0.24 ,
         lsp-test          >= 0.9     && < 0.12  ,
         tasty             >= 0.11.2  && < 1.4  ,
         tasty-hspec       >= 1.1     && < 1.2  ,
diff --git a/src/Dhall/LSP/Handlers.hs b/src/Dhall/LSP/Handlers.hs
--- a/src/Dhall/LSP/Handlers.hs
+++ b/src/Dhall/LSP/Handlers.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP             #-}
 {-# LANGUAGE RecordWildCards #-}
 
 module Dhall.LSP.Handlers where
@@ -236,8 +237,7 @@
 documentLinkHandler req = do
   let uri = req ^. J.params . J.textDocument . J.uri
   path <- case J.uriToFilePath uri of
-    Nothing -> throwE (Log, "Could not process document links; failed to convert\
-                            \ URI to file path.")
+    Nothing -> throwE (Log, "Could not process document links; failed to convert URI to file path.")
     Just p -> return p
   txt <- readUri uri
   expr <- case parse txt of
@@ -564,7 +564,9 @@
        where
         _label = completeText
         _kind = Nothing
-        _tags = J.List []
+#if MIN_VERSION_haskell_lsp(0,21,0)
+        _tags = mempty
+#endif
         _detail = fmap pretty completeType
         _documentation = Nothing
         _deprecated = Nothing