diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5b66619..e80475a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -21,10 +21,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
-        ref: ${{ github.event.workflow_run.head_branch }}
+        repository: ${{ github.event.workflow_run.head_repository.full_name }}
+        ref: ${{ github.event.workflow_run.head_sha }}
 
     - name: Create Check Run (Started)
       uses: actions/github-script@v7