diff --git a/nginx.conf b/nginx.conf
index 4906626..3a7ac24 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -36,6 +36,8 @@ http {
             proxy_cache_bypass $http_x_nocache;
             proxy_no_cache $http_x_nocache;
 
+            proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
+
             add_header X-Cache-Status $upstream_cache_status always;
         }