diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 9952fc2..607aa1c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -12,8 +12,8 @@ jobs:
     - uses: actions/checkout@v3
     - uses: actions/setup-node@v3
     - name: Install dependencies
-      run: yarn
+      run: yarn install --frozen-lockfile
     - name: Install playwright browsers
       run: npx playwright install --with-deps
     - name: Run tests
-      run: npx playwright test
\ No newline at end of file
+      run: ENV=CI npx playwright test
\ No newline at end of file