diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 68e43d3..72e24ce 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -9,7 +9,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Set up Flutter
       uses: subosito/flutter-action@v1.5.3