diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 499777cbb6f..582dcec8d48 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@ jobs:
           cache: npm
       - run: npm ci
       - name: checkout src files
-        run: git checkout origin/master -- src
+        run: git checkout origin/master -- src index.js HEADER.js
       - name: upstream build stats
         run: npm run build -- -s
       - name: persist