diff --git a/Chapter10/kubia-statefulset.yaml b/Chapter10/kubia-statefulset.yaml
index 3e35691..4244672 100644
--- a/Chapter10/kubia-statefulset.yaml
+++ b/Chapter10/kubia-statefulset.yaml
@@ -1,10 +1,13 @@
-apiVersion: apps/v1beta1
+apiVersion: apps/v1
 kind: StatefulSet
 metadata:
   name: kubia
 spec:
   serviceName: kubia
   replicas: 2
+  selector:
+    matchLabels:
+      app: kubia # has to match .spec.template.metadata.labels
   template:
     metadata:
       labels: