diff --git a/elisp/ghc.el b/elisp/ghc.el
index 5c83588..4362f4a 100644
--- a/elisp/ghc.el
+++ b/elisp/ghc.el
@@ -13,7 +13,7 @@
 
 ;;; Code:
 
-(defconst ghc-version "1.10.18")
+(defconst ghc-version "1.11.1")
 
 ;; (eval-when-compile
 ;;  (require 'haskell-mode))
diff --git a/ghc-mod.cabal b/ghc-mod.cabal
index eba1653..22114a8 100644
--- a/ghc-mod.cabal
+++ b/ghc-mod.cabal
@@ -1,5 +1,5 @@
 Name:                   ghc-mod
-Version:                1.10.18
+Version:                1.11.0
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3