--- a/linters/luacheck.yml	Sun Oct 08 10:33:32 2017 +0800
+++ b/linters/luacheck.yml	Mon Oct 09 21:26:13 2017 +0800
@@ -1,10 +1,11 @@
 setup:
-  - ['luarocks', '--tree=../rocks', 'install', 'luacheck', '0.16.3']
+  - ['luarocks', '--tree=../rocks', 'install', 'luacheck', '0.21.1']
 
 env:
   LUA_PATH: '../rocks/share/lua/5.1/?.lua;../rocks/share/lua/5.1/?/init.lua'
   LUA_CPATH: '../rocks/lib/lua/5.1/?.so'
 
 exec: ['../rocks/bin/luacheck']
+codes: [1, 2]
 flags: ['--formatter', 'plain', '--codes']
 version: ['--version']