diff --git a/cluster/images/etcd/Makefile b/cluster/images/etcd/Makefile
index 0ffe0fb7849..4af25719d50 100644
--- a/cluster/images/etcd/Makefile
+++ b/cluster/images/etcd/Makefile
@@ -15,7 +15,7 @@
 # Build the etcd image
 #
 # Usage:
-# 	[BUNDLED_ETCD_VERSIONS=3.0.17 3.1.20 3.2.32 3.3.17 3.4.18 3.5.8] [REGISTRY=registry.k8s.io] [ARCH=amd64] [BASEIMAGE=busybox] make (build|push)
+# 	[BUNDLED_ETCD_VERSIONS=3.4.18 3.5.8] [REGISTRY=registry.k8s.io] [ARCH=amd64] [BASEIMAGE=busybox] make (build|push)
 #
 # The image contains different etcd versions to simplify
 # upgrades. Thus be careful when removing any versions from here.
@@ -26,7 +26,7 @@
 # Except from etcd-$(version) and etcdctl-$(version) binaries, we also
 # need etcd and etcdctl binaries for backward compatibility reasons.
 # That binary will be set to the last version from $(BUNDLED_ETCD_VERSIONS).
-BUNDLED_ETCD_VERSIONS?=3.0.17 3.1.20 3.2.32 3.3.17 3.4.18 3.5.9
+BUNDLED_ETCD_VERSIONS?=3.4.18 3.5.8
 
 # LATEST_ETCD_VERSION identifies the most recent etcd version available.
 LATEST_ETCD_VERSION?=3.5.9
diff --git a/cmd/kubeadm/app/constants/constants.go b/cmd/kubeadm/app/constants/constants.go
index b787b36ba50..3ff685984a2 100644
--- a/cmd/kubeadm/app/constants/constants.go
+++ b/cmd/kubeadm/app/constants/constants.go
@@ -306,7 +306,7 @@ const (
 	KubeletHealthzPort = 10248
 
 	// MinExternalEtcdVersion indicates minimum external etcd version which kubeadm supports
-	MinExternalEtcdVersion = "3.2.18"
+	MinExternalEtcdVersion = "3.4.3-0"
 
 	// DefaultEtcdVersion indicates the default etcd version that kubeadm uses
 	DefaultEtcdVersion = "3.5.9-0"
@@ -467,15 +467,11 @@ var (
 
 	// SupportedEtcdVersion lists officially supported etcd versions with corresponding Kubernetes releases
 	SupportedEtcdVersion = map[uint8]string{
-		13: "3.2.24",
-		14: "3.3.10",
-		15: "3.3.10",
-		16: "3.3.17-0",
 		17: "3.4.3-0",
 		18: "3.4.3-0",
-		19: "3.4.13-0",
-		20: "3.4.13-0",
-		21: "3.4.13-0",
+		19: "3.4.18-0",
+		20: "3.4.18-0",
+		21: "3.4.18-0",
 		22: "3.5.8-0",
 		23: "3.5.8-0",
 		24: "3.5.8-0",
diff --git a/cmd/kubeadm/app/images/images_test.go b/cmd/kubeadm/app/images/images_test.go
index 1aa08e30fa8..334ddf4be37 100644
--- a/cmd/kubeadm/app/images/images_test.go
+++ b/cmd/kubeadm/app/images/images_test.go
@@ -104,17 +104,17 @@ func TestGetEtcdImage(t *testing.T) {
 		{
 			cfg: &kubeadmapi.ClusterConfiguration{
 				ImageRepository:   "real.repo",
-				KubernetesVersion: "1.16.0",
+				KubernetesVersion: "1.18.0",
 				Etcd: kubeadmapi.Etcd{
 					Local: &kubeadmapi.LocalEtcd{},
 				},
 			},
-			expected: "real.repo/etcd:3.3.17-0",
+			expected: "real.repo/etcd:3.4.3-0",
 		},
 		{
 			cfg: &kubeadmapi.ClusterConfiguration{
 				ImageRepository:   "real.repo",
-				KubernetesVersion: "1.16.0",
+				KubernetesVersion: "1.18.0",
 				Etcd: kubeadmapi.Etcd{
 					Local: &kubeadmapi.LocalEtcd{
 						ImageMeta: kubeadmapi.ImageMeta{
@@ -128,7 +128,7 @@ func TestGetEtcdImage(t *testing.T) {
 		{
 			cfg: &kubeadmapi.ClusterConfiguration{
 				ImageRepository:   "real.repo",
-				KubernetesVersion: "1.16.0",
+				KubernetesVersion: "1.18.0",
 				Etcd: kubeadmapi.Etcd{
 					Local: &kubeadmapi.LocalEtcd{
 						ImageMeta: kubeadmapi.ImageMeta{
@@ -137,7 +137,7 @@ func TestGetEtcdImage(t *testing.T) {
 					},
 				},
 			},
-			expected: "override/etcd:3.3.17-0",
+			expected: "override/etcd:3.4.3-0",
 		},
 		{
 			expected: GetGenericImage(gcrPrefix, "etcd", constants.DefaultEtcdVersion),