diff --git a/helm/flowforge/templates/broker.yaml b/helm/flowforge/templates/broker.yaml
index 7161d910..c9eb0179 100644
--- a/helm/flowforge/templates/broker.yaml
+++ b/helm/flowforge/templates/broker.yaml
@@ -19,7 +19,7 @@ data:
     auth_opt_hasher bcrypt
     auth_opt_cache true
     auth_opt_auth_cache_seconds 30
-    auth_opt_acl_cache_seconds 90
+    auth_opt_acl_cache_seconds 300
     auth_opt_auth_jitter_second 3
     auth_opt_acl_jitter_seconds 5