diff --git a/3rd/lua/lualib.h b/3rd/lua/lualib.h
index 5165c0fb..c43f8a2d 100644
--- a/3rd/lua/lualib.h
+++ b/3rd/lua/lualib.h
@@ -44,6 +44,8 @@ LUAMOD_API int (luaopen_debug) (lua_State *L);
 #define LUA_LOADLIBNAME	"package"
 LUAMOD_API int (luaopen_package) (lua_State *L);
 
+#define LUA_CACHELIB
+LUAMOD_API int (luaopen_cache) (lua_State *L);
 
 /* open all previous libraries */
 LUALIB_API void (luaL_openlibs) (lua_State *L);