diff --git a/.github/workflows/wpt-test.yml b/.github/workflows/wpt-test.yml
index a81e9fd7..19696100 100644
--- a/.github/workflows/wpt-test.yml
+++ b/.github/workflows/wpt-test.yml
@@ -1,7 +1,7 @@
 name: Tests
 
 on:
-  pull_request:
+  pull_request_target:
     branches:
       - main
     paths-ignore:
@@ -13,8 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
       - name: Install dependencies