diff --git a/api/v1alpha1/runner_webhook.go b/api/v1alpha1/runner_webhook.go
index 7587564626..861fdce66e 100644
--- a/api/v1alpha1/runner_webhook.go
+++ b/api/v1alpha1/runner_webhook.go
@@ -34,7 +34,7 @@ func (r *Runner) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=mutate.runner.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=mutate.runner.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &Runner{}
 
@@ -43,7 +43,7 @@ func (r *Runner) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=validate.runner.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runner,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runners,versions=v1alpha1,name=validate.runner.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &Runner{}
 
diff --git a/api/v1alpha1/runnerdeployment_webhook.go b/api/v1alpha1/runnerdeployment_webhook.go
index d3fc306252..3f5626fec3 100644
--- a/api/v1alpha1/runnerdeployment_webhook.go
+++ b/api/v1alpha1/runnerdeployment_webhook.go
@@ -34,7 +34,7 @@ func (r *RunnerDeployment) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=mutate.runnerdeployment.actions.summerwind.dev,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=mutate.runnerdeployment.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &RunnerDeployment{}
 
@@ -43,7 +43,7 @@ func (r *RunnerDeployment) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=validate.runnerdeployment.actions.summerwind.dev,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerdeployment,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerdeployments,versions=v1alpha1,name=validate.runnerdeployment.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &RunnerDeployment{}
 
diff --git a/api/v1alpha1/runnerreplicaset_webhook.go b/api/v1alpha1/runnerreplicaset_webhook.go
index a2888ed900..b728d57df4 100644
--- a/api/v1alpha1/runnerreplicaset_webhook.go
+++ b/api/v1alpha1/runnerreplicaset_webhook.go
@@ -34,7 +34,7 @@ func (r *RunnerReplicaSet) SetupWebhookWithManager(mgr ctrl.Manager) error {
 		Complete()
 }
 
-// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=mutate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=true,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=mutate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Defaulter = &RunnerReplicaSet{}
 
@@ -43,7 +43,7 @@ func (r *RunnerReplicaSet) Default() {
 	// Nothing to do.
 }
 
-// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=validate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,webhookVersions=v1beta1
+// +kubebuilder:webhook:path=/validate-actions-summerwind-dev-v1alpha1-runnerreplicaset,verbs=create;update,mutating=false,failurePolicy=fail,groups=actions.summerwind.dev,resources=runnerreplicasets,versions=v1alpha1,name=validate.runnerreplicaset.actions.summerwind.dev,sideEffects=None,admissionReviewVersions=v1beta1
 
 var _ webhook.Validator = &RunnerReplicaSet{}
 
diff --git a/charts/actions-runner-controller/templates/webhook_configs.yaml b/charts/actions-runner-controller/templates/webhook_configs.yaml
index 8c9dcd5c91..3f78423501 100644
--- a/charts/actions-runner-controller/templates/webhook_configs.yaml
+++ b/charts/actions-runner-controller/templates/webhook_configs.yaml
@@ -1,6 +1,6 @@
 
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: MutatingWebhookConfiguration
 metadata:
   creationTimestamp: null
@@ -83,7 +83,7 @@ webhooks:
     matchLabels:
       "actions-runner-controller/inject-registration-token": "true"
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
   creationTimestamp: null
diff --git a/config/crd/patches/cainjection_in_runners.yaml b/config/crd/patches/cainjection_in_runners.yaml
index dd831d24d7..669725d851 100644
--- a/config/crd/patches/cainjection_in_runners.yaml
+++ b/config/crd/patches/cainjection_in_runners.yaml
@@ -1,6 +1,6 @@
 # The following patch adds a directive for certmanager to inject CA into the CRD
 # CRD conversion requires k8s 1.13 or later.
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
diff --git a/config/crd/patches/webhook_in_runners.yaml b/config/crd/patches/webhook_in_runners.yaml
index 1180bdee62..b8b56a4f6b 100644
--- a/config/crd/patches/webhook_in_runners.yaml
+++ b/config/crd/patches/webhook_in_runners.yaml
@@ -1,17 +1,18 @@
 # The following patch enables conversion webhook for CRD
 # CRD conversion requires k8s 1.13 or later.
-apiVersion: apiextensions.k8s.io/v1beta1
+apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   name: runners.actions.summerwind.dev
 spec:
   conversion:
     strategy: Webhook
-    webhookClientConfig:
-      # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
-      # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
-      caBundle: Cg==
-      service:
-        namespace: system
-        name: webhook-service
-        path: /convert
+    webhook:
+      clientConfig:
+        # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank,
+        # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager)
+        caBundle: Cg==
+        service:
+          namespace: system
+          name: webhook-service
+          path: /convert
diff --git a/config/default/webhookcainjection_patch.yaml b/config/default/webhookcainjection_patch.yaml
index 7e79bf9955..02ab515d42 100644
--- a/config/default/webhookcainjection_patch.yaml
+++ b/config/default/webhookcainjection_patch.yaml
@@ -1,13 +1,13 @@
 # This patch add annotation to admission webhook config and
 # the variables $(CERTIFICATE_NAMESPACE) and $(CERTIFICATE_NAME) will be substituted by kustomize.
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: MutatingWebhookConfiguration
 metadata:
   name: mutating-webhook-configuration
   annotations:
     cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
 ---
-apiVersion: admissionregistration.k8s.io/v1beta1
+apiVersion: admissionregistration.k8s.io/v1
 kind: ValidatingWebhookConfiguration
 metadata:
   name: validating-webhook-configuration
diff --git a/config/webhook/manifests.v1beta1.yaml b/config/webhook/manifests.v1beta1.yaml
deleted file mode 100644
index 34ddd6bebc..0000000000
--- a/config/webhook/manifests.v1beta1.yaml
+++ /dev/null
@@ -1,130 +0,0 @@
-
----
-apiVersion: admissionregistration.k8s.io/v1beta1
-kind: MutatingWebhookConfiguration
-metadata:
-  creationTimestamp: null
-  name: mutating-webhook-configuration
-webhooks:
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runner
-  failurePolicy: Fail
-  name: mutate.runner.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runners
-  sideEffects: None
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runnerdeployment
-  failurePolicy: Fail
-  name: mutate.runnerdeployment.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerdeployments
-  sideEffects: null
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset
-  failurePolicy: Fail
-  name: mutate.runnerreplicaset.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerreplicasets
-  sideEffects: None
-
----
-apiVersion: admissionregistration.k8s.io/v1beta1
-kind: ValidatingWebhookConfiguration
-metadata:
-  creationTimestamp: null
-  name: validating-webhook-configuration
-webhooks:
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runner
-  failurePolicy: Fail
-  name: validate.runner.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runners
-  sideEffects: None
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runnerdeployment
-  failurePolicy: Fail
-  name: validate.runnerdeployment.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerdeployments
-  sideEffects: null
-- admissionReviewVersions: null
-  clientConfig:
-    service:
-      name: webhook-service
-      namespace: system
-      path: /validate-actions-summerwind-dev-v1alpha1-runnerreplicaset
-  failurePolicy: Fail
-  name: validate.runnerreplicaset.actions.summerwind.dev
-  rules:
-  - apiGroups:
-    - actions.summerwind.dev
-    apiVersions:
-    - v1alpha1
-    operations:
-    - CREATE
-    - UPDATE
-    resources:
-    - runnerreplicasets
-  sideEffects: None
diff --git a/config/webhook/manifests.yaml b/config/webhook/manifests.yaml
index 35575392ed..20283f519e 100644
--- a/config/webhook/manifests.yaml
+++ b/config/webhook/manifests.yaml
@@ -6,6 +6,66 @@ metadata:
   creationTimestamp: null
   name: mutating-webhook-configuration
 webhooks:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runner
+  failurePolicy: Fail
+  name: mutate.runner.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runners
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runnerdeployment
+  failurePolicy: Fail
+  name: mutate.runnerdeployment.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerdeployments
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /mutate-actions-summerwind-dev-v1alpha1-runnerreplicaset
+  failurePolicy: Fail
+  name: mutate.runnerreplicaset.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerreplicasets
+  sideEffects: None
 - admissionReviewVersions:
   - v1beta1
   clientConfig:
@@ -25,3 +85,71 @@ webhooks:
     resources:
     - pods
   sideEffects: None
+
+---
+apiVersion: admissionregistration.k8s.io/v1
+kind: ValidatingWebhookConfiguration
+metadata:
+  creationTimestamp: null
+  name: validating-webhook-configuration
+webhooks:
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runner
+  failurePolicy: Fail
+  name: validate.runner.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runners
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runnerdeployment
+  failurePolicy: Fail
+  name: validate.runnerdeployment.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerdeployments
+  sideEffects: None
+- admissionReviewVersions:
+  - v1beta1
+  clientConfig:
+    service:
+      name: webhook-service
+      namespace: system
+      path: /validate-actions-summerwind-dev-v1alpha1-runnerreplicaset
+  failurePolicy: Fail
+  name: validate.runnerreplicaset.actions.summerwind.dev
+  rules:
+  - apiGroups:
+    - actions.summerwind.dev
+    apiVersions:
+    - v1alpha1
+    operations:
+    - CREATE
+    - UPDATE
+    resources:
+    - runnerreplicasets
+  sideEffects: None