diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index df2ebf5..ed848f5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -160,7 +160,7 @@ jobs:
           merge-multiple: true
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@d7543c93d881b35a8faa02e8e3605f69b7a1ce62 #v3.10.0
+        uses: sigstore/cosign-installer@faadad0cce49287aee09b3a48701e75088a2c6ad #v4.0.0
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 #v3.11.1