diff --git a/src/default.conf b/src/default.conf
index ae1607a..8bbfd57 100644
--- a/src/default.conf
+++ b/src/default.conf
@@ -8,7 +8,7 @@ lua_shared_dict auto_ssl_settings 64k;
 
 lua_ssl_trusted_certificate "/etc/ssl/certs/ca-certificates.crt";
 
-resolver 127.0.0.11 valid=60 ipv6=off;
+resolver local=on valid=60 ipv6=off;
 
 init_by_lua_block {
     auto_ssl = (require "resty.auto-ssl").new()