diff --git a/.github/workflows/diff.yml b/.github/workflows/diff.yml
index 69acba4fe..a1186e64c 100644
--- a/.github/workflows/diff.yml
+++ b/.github/workflows/diff.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: jupyterhub/action-k3s-helm@v3
+      - uses: jupyterhub/action-k3s-helm@v4
         with:
           k3s-channel: stable
           metrics-enabled: false
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 632836136..0264fb9e0 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -119,7 +119,7 @@ jobs:
                 - "http://$REGISTRY_HOST"
           EOF
 
-      - uses: jupyterhub/action-k3s-helm@v3
+      - uses: jupyterhub/action-k3s-helm@v4
         with:
           k3s-channel: ${{ matrix.k3s-channel }}
           helm-version: ${{ matrix.helm-version }}