diff --git a/nginx.conf b/nginx.conf
index 43d9090..1a15cc1 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -11,7 +11,7 @@ http {
   charset UTF-8;
   include mime.types;
 
-  lua_shared_dict worker 5k;
+  lua_shared_dict worker 1m;
   init_worker_by_lua '
     require("worker")
   ';