diff --git a/website/content/en/preview/getting-started/migrating-from-cas/scripts/step01-env.sh b/website/content/en/preview/getting-started/migrating-from-cas/scripts/step01-env.sh
index 72142df029f8..5124ed748544 100644
--- a/website/content/en/preview/getting-started/migrating-from-cas/scripts/step01-env.sh
+++ b/website/content/en/preview/getting-started/migrating-from-cas/scripts/step01-env.sh
@@ -4,5 +4,5 @@ OIDC_ENDPOINT="$(aws eks describe-cluster --name "${CLUSTER_NAME}" \
     --query "cluster.identity.oidc.issuer" --output text)"
 AWS_ACCOUNT_ID=$(aws sts get-caller-identity --query 'Account' \
     --output text)
-K8S_VERSION=1.28
+K8S_VERSION=$(aws eks describe-cluster --name "${CLUSTER_NAME}" --query "cluster.version" --output text)
 ALIAS_VERSION="$(aws ssm get-parameter --name "/aws/service/eks/optimized-ami/${K8S_VERSION}/amazon-linux-2023/x86_64/standard/recommended/image_id" --query Parameter.Value | xargs aws ec2 describe-images --query 'Images[0].Name' --image-ids | sed -r 's/^.*(v[[:digit:]]+).*$/\1/')"