diff --git a/deploy/default-backend.yaml b/deploy/default-backend.yaml
index 64f6f58ad..0f496616b 100644
--- a/deploy/default-backend.yaml
+++ b/deploy/default-backend.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: default-http-backend
diff --git a/deploy/provider/patch-service-with-rbac.yaml b/deploy/provider/patch-service-with-rbac.yaml
index f1c4e2967..a208fe425 100644
--- a/deploy/provider/patch-service-with-rbac.yaml
+++ b/deploy/provider/patch-service-with-rbac.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
diff --git a/deploy/provider/patch-service-without-rbac.yaml b/deploy/provider/patch-service-without-rbac.yaml
index e38d5db9e..0cc6d9c98 100644
--- a/deploy/provider/patch-service-without-rbac.yaml
+++ b/deploy/provider/patch-service-without-rbac.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
diff --git a/deploy/with-rbac.yaml b/deploy/with-rbac.yaml
index a70a7fa63..cee92def9 100644
--- a/deploy/with-rbac.yaml
+++ b/deploy/with-rbac.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
diff --git a/deploy/without-rbac.yaml b/deploy/without-rbac.yaml
index 1de84195b..0d5ccea15 100644
--- a/deploy/without-rbac.yaml
+++ b/deploy/without-rbac.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
diff --git a/docs/examples/customization/external-auth-headers/deploy/auth-service.yaml b/docs/examples/customization/external-auth-headers/deploy/auth-service.yaml
index 87a58730b..bb2a76881 100644
--- a/docs/examples/customization/external-auth-headers/deploy/auth-service.yaml
+++ b/docs/examples/customization/external-auth-headers/deploy/auth-service.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: demo-auth-service
diff --git a/docs/examples/customization/external-auth-headers/deploy/echo-service.yaml b/docs/examples/customization/external-auth-headers/deploy/echo-service.yaml
index 7145a3a46..47389d001 100644
--- a/docs/examples/customization/external-auth-headers/deploy/echo-service.yaml
+++ b/docs/examples/customization/external-auth-headers/deploy/echo-service.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: demo-echo-service
diff --git a/docs/examples/docker-registry/deployment.yaml b/docs/examples/docker-registry/deployment.yaml
index c9044b488..7a923d69f 100644
--- a/docs/examples/docker-registry/deployment.yaml
+++ b/docs/examples/docker-registry/deployment.yaml
@@ -5,7 +5,7 @@ metadata:
 
 ---
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: docker-registry
diff --git a/docs/examples/external-auth/oauth2-proxy.yaml b/docs/examples/external-auth/oauth2-proxy.yaml
index ed367b563..e1a0dffe4 100644
--- a/docs/examples/external-auth/oauth2-proxy.yaml
+++ b/docs/examples/external-auth/oauth2-proxy.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   labels:
diff --git a/docs/examples/http-svc.yaml b/docs/examples/http-svc.yaml
index 58f3c527e..f0cb05395 100644
--- a/docs/examples/http-svc.yaml
+++ b/docs/examples/http-svc.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: http-svc
diff --git a/docs/examples/static-ip/nginx-ingress-controller.yaml b/docs/examples/static-ip/nginx-ingress-controller.yaml
index 3368cbafc..5c0dcabc9 100644
--- a/docs/examples/static-ip/nginx-ingress-controller.yaml
+++ b/docs/examples/static-ip/nginx-ingress-controller.yaml
@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: nginx-ingress-controller
diff --git a/images/echoheaders/echo-app.yaml b/images/echoheaders/echo-app.yaml
index 4ffe68134..432c5b2b4 100644
--- a/images/echoheaders/echo-app.yaml
+++ b/images/echoheaders/echo-app.yaml
@@ -14,7 +14,7 @@ spec:
   selector:
     app: echoheaders
 ---
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: echoheaders