diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c326315..3771ac0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -171,7 +171,7 @@ jobs:
       # Signing is disabled by default. To enable, see README.md "Optional: Enable Image Signing" section.
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 # v3.10.0
+        uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
         if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
       
       - name: Sign container image