diff --git a/templates/clusters/deployment.yaml.jinja2 b/templates/clusters/deployment.yaml.jinja2
index 504b73f..c1c52e3 100644
--- a/templates/clusters/deployment.yaml.jinja2
+++ b/templates/clusters/deployment.yaml.jinja2
@@ -62,5 +62,7 @@ spec:
           name: external-http
         - containerPort: 3001
           name: internal-http
-        - containerPort: 3002
+        - containerPort: 4000
+          name: external-grpc
+        - containerPort: 4001
           name: internal-grpc