diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 572d0f1..0d16e72 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -63,7 +63,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           
       - name: Install Cosign
-        uses: sigstore/cosign-installer@v3.9.1
+        uses: sigstore/cosign-installer@v4.0.0
 
       - name: Check Cosign
         run: cosign version