diff --git a/.github/workflows/build-boxkit.yml b/.github/workflows/build-boxkit.yml
index 672c862..73f4b60 100644
--- a/.github/workflows/build-boxkit.yml
+++ b/.github/workflows/build-boxkit.yml
@@ -87,7 +87,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
             
       # Sign container
-      - uses: sigstore/cosign-installer@v3.7.0
+      - uses: sigstore/cosign-installer@v3.8.0
         if: github.event_name != 'pull_request'
 
       - name: Sign container image