diff --git a/.github/actions/test-charts/action.yml b/.github/actions/test-charts/action.yml
index 7087b017..04815a38 100644
--- a/.github/actions/test-charts/action.yml
+++ b/.github/actions/test-charts/action.yml
@@ -44,7 +44,7 @@ runs:
         python-version: 3.14
 
     - name: Set up chart-testing
-      uses: helm/chart-testing-action@6ec842c01de15ebb84c8627d2744a0c2f2755c9f # v2.8.0
+      uses: helm/chart-testing-action@720270857a28afd41e2426521a7801db09e9b510 # v2.9.0
       with:
         version: '3.14.0'
         yamllint_version: '1.37.1'
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index cb5be12d..985d42ef 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -34,7 +34,7 @@ jobs:
           python-version: 3.14
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@6ec842c01de15ebb84c8627d2744a0c2f2755c9f # v2.8.0
+        uses: helm/chart-testing-action@720270857a28afd41e2426521a7801db09e9b510 # v2.9.0
         with:
           version: '3.14.0'
           yamllint_version: '1.37.1'