diff --git a/src/cluster.ts b/src/cluster.ts
index 471e8e0a..7b6bf985 100644
--- a/src/cluster.ts
+++ b/src/cluster.ts
@@ -43,7 +43,7 @@ export class Cluster extends Construct implements ITaggable {
       vpc: props.vpc,
       mastersRole: this.mainRole,
       clusterName: props.clusterName ?? "Cluster",
-      version: eks.KubernetesVersion.V1_22,
+      version: eks.KubernetesVersion.V1_21,
       secretsEncryptionKey: props.secretsEncryptionKey,
       defaultCapacityInstance: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.MEDIUM),
       tags: this.tags.renderedTags as unknown as { [key: string]: string },