diff --git a/.github/workflows/sync-chart.yml b/.github/workflows/sync-chart.yml
index 23b8dfc1..2e14ec58 100644
--- a/.github/workflows/sync-chart.yml
+++ b/.github/workflows/sync-chart.yml
@@ -41,6 +41,8 @@ jobs:
           repository: nginxinc/kubernetes-json-schema
           path: schemas
           token: ${{ secrets.NGINX_PAT }}
+          sparse-checkout: |
+            ${{ inputs.k8s_version}}
 
       - name: Setup Helm
         uses: azure/setup-helm@b9e51907a09c216f16ebe8536097933489208112 # v4.3.0