diff --git a/pkg/model/components/etcd.go b/pkg/model/components/etcd.go
index 97e9950265..44d413fc83 100644
--- a/pkg/model/components/etcd.go
+++ b/pkg/model/components/etcd.go
@@ -30,7 +30,7 @@ var _ loader.OptionsBuilder = &EtcdOptionsBuilder{}
 
 const (
 	DefaultEtcd3Version_1_19 = "3.4.13"
-	DefaultEtcd3Version_1_22 = "3.5.1"
+	DefaultEtcd3Version_1_22 = "3.5.3"
 )
 
 // BuildOptions is responsible for filling in the defaults for the etcd cluster model
diff --git a/pkg/model/components/etcdmanager/options.go b/pkg/model/components/etcdmanager/options.go
index 26f9196e3c..5da4a1e155 100644
--- a/pkg/model/components/etcdmanager/options.go
+++ b/pkg/model/components/etcdmanager/options.go
@@ -62,7 +62,7 @@ func (b *EtcdManagerOptionsBuilder) BuildOptions(o interface{}) error {
 	return nil
 }
 
-var supportedEtcdVersions = []string{"3.1.12", "3.2.18", "3.2.24", "3.3.10", "3.3.13", "3.3.17", "3.4.3", "3.4.13", "3.5.0", "3.5.1"}
+var supportedEtcdVersions = []string{"3.1.12", "3.2.18", "3.2.24", "3.3.10", "3.3.13", "3.3.17", "3.4.3", "3.4.13", "3.5.0", "3.5.1", "3.5.3"}
 
 func etcdVersionIsSupported(version string) bool {
 	version = strings.TrimPrefix(version, "v")