diff --git a/docs/admin/authentication.md b/docs/admin/authentication.md
index 10f3ce64dd..a53012efee 100644
--- a/docs/admin/authentication.md
+++ b/docs/admin/authentication.md
@@ -185,7 +185,7 @@ talk to the API server. Accounts may be explicitly associated with pods using th
 NOTE: `serviceAccountName` is usually omitted because this is done automatically.
 
 ```
-apiVersion: apps/v1beta1
+apiVersion: apps/v1beta2
 kind: Deployment
 metadata:
   name: nginx-deployment