diff --git a/pkgs/tools/text/cmigemo/default.nix b/pkgs/tools/text/cmigemo/default.nix
index 8bd60b516fd1..1f9ef7701ba1 100644
--- a/pkgs/tools/text/cmigemo/default.nix
+++ b/pkgs/tools/text/cmigemo/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchurl, buildPackages
+{ lib, stdenv, fetchFromGitHub, buildPackages
 , libiconv, nkf, perl, which
 , skk-dicts
 }:
@@ -13,8 +13,8 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "koron";
     repo = "cmigemo";
-    rev = "5c014a885972c77e67d0d17d367d05017c5873f7";
-    sha256 = "0xrblwhaf70m0knkd5584iahaq84rlk0926bhdsrzmakpw77hils";
+    rev = "e0f6145f61e0b7058c3006f344e58571d9fdd83a";
+    sha256 = "00a6kdmxp16b8x0p04ws050y39qspd1bqlfq74bkirc55b77a2m1";
   };
 
   nativeBuildInputs = [ libiconv nkf perl which ];