diff --git a/Info.hs b/Info.hs
--- a/Info.hs
+++ b/Info.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE TupleSections, FlexibleInstances #-}
+{-# LANGUAGE TupleSections, FlexibleInstances, TypeSynonymInstances #-}
 
 module Info (infoExpr, typeExpr) where
 
diff --git a/elisp/ghc.el b/elisp/ghc.el
--- a/elisp/ghc.el
+++ b/elisp/ghc.el
@@ -16,7 +16,7 @@
 
 ;;; Code:
 
-(defconst ghc-version "1.10.8")
+(defconst ghc-version "1.10.9")
 
 ;; (eval-when-compile
 ;;  (require 'haskell-mode))
diff --git a/ghc-mod.cabal b/ghc-mod.cabal
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -1,5 +1,5 @@
 Name:                   ghc-mod
-Version:                1.10.8
+Version:                1.10.9
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3