diff --git a/API.md b/API.md
index 69bdd4e..a45a0d4 100644
--- a/API.md
+++ b/API.md
@@ -4043,6 +4043,7 @@ public readonly version: string;
| V1_19_5_3 | VpcCniAddonVersion | vpc-cni version 1.19.5. |
| V1_20_3_1 | VpcCniAddonVersion | vpc-cni version 1.20.3. |
| V1_20_4_1 | VpcCniAddonVersion | vpc-cni version 1.20.4. |
+| V1_21_1_3 | VpcCniAddonVersion | vpc-cni version 1.21.1. |
| V1_6_3 | VpcCniAddonVersion | vpc-cni version 1.6.3. |
| V1_7_10 | VpcCniAddonVersion | vpc-cni version 1.7.10. |
| V1_7_5 | VpcCniAddonVersion | vpc-cni version 1.7.5. |
@@ -4307,6 +4308,18 @@ vpc-cni version 1.20.4.
---
+##### `V1_21_1_3`Required
+
+```typescript
+public readonly V1_21_1_3: VpcCniAddonVersion;
+```
+
+- *Type:* VpcCniAddonVersion
+
+vpc-cni version 1.21.1.
+
+---
+
##### `V1_6_3`Required
```typescript
diff --git a/src/constructs/eks-managed-addon.ts b/src/constructs/eks-managed-addon.ts
index efad499..9329442 100644
--- a/src/constructs/eks-managed-addon.ts
+++ b/src/constructs/eks-managed-addon.ts
@@ -173,6 +173,12 @@ export class VpcCniAddonVersion extends AddonVersion {
*/
public static readonly V1_20_4_1 = VpcCniAddonVersion.of('v1.20.4-eksbuild.1');
+ /**
+ * vpc-cni version 1.21.1
+ */
+ public static readonly V1_21_1_3 = VpcCniAddonVersion.of('v1.21.1-eksbuild.3');
+
+
/**
* Custom add-on version
* @param version custom add-on version