diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index aae1ec8..805315c 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,7 +25,8 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm install
+    # - run: npm install
+    - run: yarn
     - run: npm run beforetest
     - run: npm run cover
     - name: Upload coverage to Codecov