diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index c46ff50..cd966ac 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
     - uses: actions/setup-node@v3
       with:
         node-version: 'lts/*'
-    - run: yarn
-    - run: yarn lint
-    - run: yarn build
-    - run: git diff --quiet || (echo 'workspace is dirty after rebuilding' ; git diff ; exit 1)
+    - run: npm ci
+    - run: npm run lint
+    - run: npm run build
+    - run: if [ -n "$(git status --porcelain)" ]; then echo 'workspace is dirty after rebuilding' ; git status ; git diff ; exit 1 ; fi