diff --git a/.github/workflows/lint-test.yaml b/.github/workflows/lint-test.yaml
index d2216aa..520dc3f 100644
--- a/.github/workflows/lint-test.yaml
+++ b/.github/workflows/lint-test.yaml
@@ -11,15 +11,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up Helm
-        uses: azure/setup-helm@v3
-        with:
-          version: v3.10.3
-
       # Python is required because `ct lint` runs Yamale (https://github.com/23andMe/Yamale) and
-      # yamllint (https://github.com/adrienverge/yamllint) which require Python
+      # yamllint (https://github.com/adrienverge/yamllint) which requires Python
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.9'
           check-latest: true
@@ -44,7 +39,7 @@ jobs:
 
       - name: Install Prometheus Operator CRDs
         id: prom
-        run: kubectl apply --server-side -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/release-0.69/example/prometheus-operator-crd/monitoring.coreos.com_servicemonitors.yaml
+        run: kubectl apply --server-side -f https://raw.githubusercontent.com/prometheus-operator/prometheus-operator/release-0.78/example/prometheus-operator-crd/monitoring.coreos.com_servicemonitors.yaml
         if: steps.list-changed.outputs.changed == 'true'
 
       - name: Run chart-testing (install)
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 9fee5eb..1613dad 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -22,11 +22,6 @@ jobs:
           git config user.name "$GITHUB_ACTOR"
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
-      - name: Install Helm
-        uses: azure/setup-helm@v3
-        with:
-          version: v3.13.3
-
       - name: Add Helm repositories
         run: |
           helm repo add bitnami https://charts.bitnami.com/bitnami
@@ -39,9 +34,9 @@ jobs:
           CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
           CR_GENERATE_RELEASE_NOTES: true
 
-      # see https://github.com/helm/chart-releaser/issues/183
+      # See https://github.com/helm/chart-releaser/issues/183
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}