diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a237c50..3382ea7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -161,7 +161,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Cosign
-        uses: sigstore/cosign-installer@main
+        uses: sigstore/cosign-installer@v4
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v4