diff --git a/.github/workflows/build-boxkit.yml b/.github/workflows/build-boxkit.yml
index a0a5d52..6ff7395 100644
--- a/.github/workflows/build-boxkit.yml
+++ b/.github/workflows/build-boxkit.yml
@@ -84,7 +84,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
             
       # Sign container
-      - uses: sigstore/cosign-installer@v3.3.0
+      - uses: sigstore/cosign-installer@v3.4.0
 
       - name: Sign container image
         if: github.event_name != 'pull_request'