diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 694e9048a7..025b92235f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -246,7 +246,7 @@ jobs:
 
       - name: Install Cosign
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
-        uses: sigstore/cosign-installer@7e8b541eb2e61bf99390e1afd4be13a184e9ebc5 # v3.10.1
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad # v4.0.0
 
       - name: Sign image with Cosign
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'