diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89f8c9e..04d0a79 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -121,7 +121,7 @@ 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