diff --git a/docs/serving/services/byo-certificate.md b/docs/serving/services/byo-certificate.md
index 9d6d2e5908..7477c5aa78 100644
--- a/docs/serving/services/byo-certificate.md
+++ b/docs/serving/services/byo-certificate.md
@@ -23,7 +23,7 @@ certificate to secure the mapped service. Using this feature skips [autoTLS](../
 1. Update your `DomainMapping` YAML file to use the newly created secret as follows:
 
     ```yaml
-    apiVersion: serving.knative.dev/v1alpha1
+    apiVersion: serving.knative.dev/v1beta1
     kind: DomainMapping
     metadata:
       name: <domain-name>
diff --git a/docs/serving/services/custom-domains.md b/docs/serving/services/custom-domains.md
index 4e059904d0..5d69e8f422 100644
--- a/docs/serving/services/custom-domains.md
+++ b/docs/serving/services/custom-domains.md
@@ -66,7 +66,7 @@ DomainMappings in that namespace to use the domain name.
         1. Create a YAML file using the following template:
 
             ```yaml
-            apiVersion: serving.knative.dev/v1alpha1
+            apiVersion: serving.knative.dev/v1beta1
             kind: DomainMapping
             metadata:
               name: <domain-name>