diff --git a/.github/workflows/deploy-prod.yaml b/.github/workflows/deploy-prod.yaml
index 662929597a..0a7a116574 100644
--- a/.github/workflows/deploy-prod.yaml
+++ b/.github/workflows/deploy-prod.yaml
@@ -273,7 +273,7 @@ jobs:
       env:
         COSIGN_KEY: ${{secrets.COSIGN_KEY}}
 
-    - uses: sigstore/cosign-installer@v3.10.0
+    - uses: sigstore/cosign-installer@v4.0.0
 
     - name: Generate SBOM
       run: |