diff --git a/volumes/conf.d/code.zinomedia.de.conf b/volumes/conf.d/code.zinomedia.de.conf
index d4b193e..2239ed1 100644
--- a/volumes/conf.d/code.zinomedia.de.conf
+++ b/volumes/conf.d/code.zinomedia.de.conf
@@ -47,7 +47,7 @@ server {
         auth_request_set $auth_resp_err $upstream_http_x_vouch_err;
         auth_request_set $auth_resp_failcount $upstream_http_x_vouch_failcount;
         
-        resolver 127.0.0.11 valid=1s;
+        resolver 127.0.0.11 valid=60s ipv6=off;
         resolver_timeout 10s;
         set $upstream "http://vouch:9090/validate";
         proxy_pass $upstream;