diff --git a/kube/services/tube/tube-deploy.yaml b/kube/services/tube/tube-deploy.yaml
index 6bd3291a6..b2e03aa98 100644
--- a/kube/services/tube/tube-deploy.yaml
+++ b/kube/services/tube/tube-deploy.yaml
@@ -68,6 +68,7 @@ spec:
           GEN3_TUBE_IMAGE
           ports:
           - containerPort: 80
+          - containerPort: 4040
           env:
           - name: DICTIONARY_URL
             valueFrom: