diff --git a/otc/observability.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml b/otc/observability.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
index c266340..c52543a 100644
--- a/otc/observability.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
+++ b/otc/observability.t09.de/stacks/observability/grafana-operator/manifests/grafana.yaml
@@ -48,7 +48,7 @@ spec:
     auth.generic_oauth:
       enabled: "true"
       name: Forgejo
-      allow_sign_up: "false"
+      allow_sign_up: "true"
       use_refresh_token: "true"
       client_id: grafana
       client_secret: "thisisasecret" # $__file{/etc/secrets/auth_generic_oauth/client_secret}