diff --git a/.github/workflows/branch.yml b/.github/workflows/branch.yml
index c42193f..5b7cc52 100644
--- a/.github/workflows/branch.yml
+++ b/.github/workflows/branch.yml
@@ -53,7 +53,7 @@ jobs:
             ~/.bun/install/cache
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3
+        uses: sigstore/cosign-installer@v4.1.1
 
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3