diff --git a/deploy/kubernetes/complete-demo.yaml b/deploy/kubernetes/complete-demo.yaml
index bf5b2e4..5eaa39f 100644
--- a/deploy/kubernetes/complete-demo.yaml
+++ b/deploy/kubernetes/complete-demo.yaml
@@ -2202,6 +2202,7 @@ metadata:
 spec:
   ports:
   - port: 1812
+    protocol: UDP
     targetPort: 1812
   selector:
     name: mizutest-radius-server