diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7d6455f..0a5adb0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -144,7 +144,7 @@ jobs:
       # to consume. For more details, review the image signing section of the README.
 
       - name: Install Cosign
-        uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da # v3.7.0
+        uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
         if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
 
       - name: Sign container image