diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e8962de..30fc0f5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -145,7 +145,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.8.2
+        uses: sigstore/cosign-installer@v3.9.1
 
       - name: Download digests
         uses: actions/download-artifact@v4