diff --git a/content/en/docs/tutorials/stateless-application/guestbook/frontend-deployment.yaml b/content/en/docs/tutorials/stateless-application/guestbook/frontend-deployment.yaml
index f5f18f3089..50d6e1f0d4 100644
--- a/content/en/docs/tutorials/stateless-application/guestbook/frontend-deployment.yaml
+++ b/content/en/docs/tutorials/stateless-application/guestbook/frontend-deployment.yaml
@@ -2,6 +2,8 @@ apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
   name: frontend
+  labels:
+    app: guestbook
 spec:
   selector:
     matchLabels:
diff --git a/content/en/docs/tutorials/stateless-application/guestbook/redis-master-deployment.yaml b/content/en/docs/tutorials/stateless-application/guestbook/redis-master-deployment.yaml
index 831f8af2b7..fc6f418c39 100644
--- a/content/en/docs/tutorials/stateless-application/guestbook/redis-master-deployment.yaml
+++ b/content/en/docs/tutorials/stateless-application/guestbook/redis-master-deployment.yaml
@@ -2,6 +2,8 @@ apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
   name: redis-master
+  labels:
+    app: redis
 spec:
   selector:
     matchLabels:
diff --git a/content/en/docs/tutorials/stateless-application/guestbook/redis-slave-deployment.yaml b/content/en/docs/tutorials/stateless-application/guestbook/redis-slave-deployment.yaml
index 0807266d99..ec4e48bc21 100644
--- a/content/en/docs/tutorials/stateless-application/guestbook/redis-slave-deployment.yaml
+++ b/content/en/docs/tutorials/stateless-application/guestbook/redis-slave-deployment.yaml
@@ -2,6 +2,8 @@ apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
   name: redis-slave
+  labels:
+    app: redis
 spec:
   selector:
     matchLabels: