diff --git a/.github/workflows/push-helm-chart.yaml b/.github/workflows/push-helm-chart.yaml
index a631683ba..d8e9cbf72 100644
--- a/.github/workflows/push-helm-chart.yaml
+++ b/.github/workflows/push-helm-chart.yaml
@@ -73,7 +73,7 @@ jobs:
           exit 1
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.1
 
       - name: Login to GHCR Registry
         uses: docker/login-action@v3