diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index a5374b37b..af2448ade 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -110,6 +110,7 @@ jobs:
       - run: npm run lint
       - run: npm run cli format ltx -- --check
       - run: npm run cli verify ltx
+      - run: npm run cli verify particles-unpacked
 
       - name: Save eslint cache
         if: ${{ steps.cache-eslint-restore.outputs.cache-hit != 'true' && github.event_name != 'pull_request' }}