diff --git a/docs/eventing/debugging/README.md b/docs/eventing/debugging/README.md
index f8a185c418d..34fdabec512 100644
--- a/docs/eventing/debugging/README.md
+++ b/docs/eventing/debugging/README.md
@@ -177,7 +177,7 @@ something went wrong during `chan` reconciliation. See
 ##### `src`
 
 `src` is a
-[`ApiServerSource`](https://github.com/knative/eventing/blob/master/pkg/apis/sources/v1alpha1/apiserver_types.go).
+[`ApiServerSource`](https://github.com/knative/eventing/blob/master/pkg/apis/sources/v1beta1/apiserver_types.go).
 
 First we will verify that `src` is writing to `chan`.
 
diff --git a/docs/eventing/samples/kafka/channel/020-k8s-events.yaml b/docs/eventing/samples/kafka/channel/020-k8s-events.yaml
index fd457590802..75c4deaa8ed 100644
--- a/docs/eventing/samples/kafka/channel/020-k8s-events.yaml
+++ b/docs/eventing/samples/kafka/channel/020-k8s-events.yaml
@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1alpha1
+apiVersion: sources.knative.dev/v1beta1
 kind: ApiServerSource
 metadata:
   name: testevents-kafka-03
diff --git a/docs/eventing/samples/kubernetes-event-source/README.md b/docs/eventing/samples/kubernetes-event-source/README.md
index c8031558132..b0a2881f3af 100644
--- a/docs/eventing/samples/kubernetes-event-source/README.md
+++ b/docs/eventing/samples/kubernetes-event-source/README.md
@@ -96,7 +96,7 @@ all the YAML files deployed in this sample to point at that namespace.
    block below into it.
 
    ```yaml
-   apiVersion: sources.knative.dev/v1alpha1
+   apiVersion: sources.knative.dev/v1beta1
    kind: ApiServerSource
    metadata:
      name: testevents
diff --git a/docs/eventing/samples/kubernetes-event-source/k8s-events.yaml b/docs/eventing/samples/kubernetes-event-source/k8s-events.yaml
index 6f931038f1e..b80e6c48c6f 100644
--- a/docs/eventing/samples/kubernetes-event-source/k8s-events.yaml
+++ b/docs/eventing/samples/kubernetes-event-source/k8s-events.yaml
@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1alpha1
+apiVersion: sources.knative.dev/v1beta1
 kind: ApiServerSource
 metadata:
   name: testevents