diff --git a/helm-chart/templates/11-nginx-config-map.yaml b/helm-chart/templates/11-nginx-config-map.yaml
index 86323c710..39bbe4c9c 100644
--- a/helm-chart/templates/11-nginx-config-map.yaml
+++ b/helm-chart/templates/11-nginx-config-map.yaml
@@ -30,8 +30,10 @@ data:
         proxy_set_header  Authorization $http_authorization;
         proxy_pass_header Authorization;
         proxy_connect_timeout 4s;
-        proxy_read_timeout 120s;
-        proxy_send_timeout 12s;
+        # Disable buffering for gRPC/Connect streaming
+        client_max_body_size 0;
+        proxy_request_buffering off;
+        proxy_buffering off;
         proxy_pass_request_headers      on;
       }
 
@@ -86,4 +88,3 @@ data:
         root   /usr/share/nginx/html;
       }
     }
-