diff --git a/cmd/kubeadm/app/phases/addons/dns/dns.go b/cmd/kubeadm/app/phases/addons/dns/dns.go
index bfff580821b..323dc03f3de 100644
--- a/cmd/kubeadm/app/phases/addons/dns/dns.go
+++ b/cmd/kubeadm/app/phases/addons/dns/dns.go
@@ -382,6 +382,7 @@ func isCoreDNSConfigMapMigrationRequired(corefile, currentInstalledCoreDNSVersio
 	if currentInstalledCoreDNSVersion == "" {
 		return isMigrationRequired, nil
 	}
+	currentInstalledCoreDNSVersion = strings.TrimLeft(currentInstalledCoreDNSVersion, "v")
 	deprecated, err := migration.Deprecated(currentInstalledCoreDNSVersion, strings.TrimLeft(kubeadmconstants.CoreDNSVersion, "v"), corefile)
 	if err != nil {
 		return isMigrationRequired, errors.Wrap(err, "unable to get list of changes to the configuration.")
diff --git a/cmd/kubeadm/app/phases/upgrade/preflight.go b/cmd/kubeadm/app/phases/upgrade/preflight.go
index 21e758b816f..344e0e09e3d 100644
--- a/cmd/kubeadm/app/phases/upgrade/preflight.go
+++ b/cmd/kubeadm/app/phases/upgrade/preflight.go
@@ -90,6 +90,8 @@ func checkUnsupportedPlugins(client clientset.Interface) error {
 	if err != nil {
 		return err
 	}
+
+	currentInstalledCoreDNSversion = strings.TrimLeft(currentInstalledCoreDNSversion, "v")
 	unsupportedCoreDNS, err := migration.Unsupported(currentInstalledCoreDNSversion, currentInstalledCoreDNSversion, corefile)
 	if err != nil {
 		return err
@@ -117,6 +119,7 @@ func checkMigration(client clientset.Interface) error {
 		return err
 	}
 
+	currentInstalledCoreDNSversion = strings.TrimLeft(currentInstalledCoreDNSversion, "v")
 	_, err = migration.Migrate(currentInstalledCoreDNSversion, strings.TrimLeft(kubeadmconstants.CoreDNSVersion, "v"), corefile, false)
 	if err != nil {
 		return errors.Wrap(err, "CoreDNS will not be upgraded")