diff --git a/.github/workflows/test-chart.yaml b/.github/workflows/test-chart.yaml
index 010cdbe..2bd7932 100644
--- a/.github/workflows/test-chart.yaml
+++ b/.github/workflows/test-chart.yaml
@@ -144,7 +144,7 @@ jobs:
       # kubectl and helm
       #
       # ref: https://github.com/jupyterhub/action-k3s-helm/
-      - uses: jupyterhub/action-k3s-helm@v3
+      - uses: jupyterhub/action-k3s-helm@v4
         with:
           k3s-channel: ${{ matrix.k3s-channel }}
           metrics-enabled: false