diff --git a/chatwork.cabal b/chatwork.cabal
--- a/chatwork.cabal
+++ b/chatwork.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:                chatwork
-version:             0.1.1.3
+version:             0.1.1.4
 synopsis:            The ChatWork API in Haskell
 description:         See README at <https://github.com/matsubara0507/chatwork#readme>
 homepage:            https://github.com/matsubara0507/chatwork#readme
@@ -102,7 +102,7 @@
     , http-types >=0.9.1 && <0.11
     , req >=0.3.0 && <0.5
     , text >=1.2.2.1 && <1.3
-    , servant-server >=0.9.1.1 && <0.12
+    , servant-server >=0.9.1.1 && <0.13
     , warp >=3.2.11 && <3.3
     , hspec >=2.4.1 && <2.5
   other-modules: