diff --git a/README.md b/README.md
index 2b19625ef5..85dc75b9a1 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@ Terraform module which creates Amazon EKS (Kubernetes) resources
   - [Upgrade to v18.x](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-18.0.md)
   - [Upgrade to v19.x](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-19.0.md)
   - [Upgrade to v20.x](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-20.0.md)
+  - [Upgrade to v21.x](https://github.com/terraform-aws-modules/terraform-aws-eks/blob/master/docs/UPGRADE-21.0.md)
 
 ### External Documentation