diff --git a/.github/workflows/test-pr.yml b/.github/workflows/test-pr.yml
index b3b8f1b..bd1d8bb 100644
--- a/.github/workflows/test-pr.yml
+++ b/.github/workflows/test-pr.yml
@@ -2,7 +2,7 @@
 name: Test pull request
 
 on:
-  pull_request:
+  pull_request_target:
     types:
       - opened
       - synchronize
@@ -41,6 +41,8 @@ jobs:
     steps:
       - name: Checkout the repo
         uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Install Helm
         uses: azure/setup-helm@v4