diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index c58d43c..7afd52d 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Node.js
         uses: ./.github/actions/init-npm
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Node.js
         uses: ./.github/actions/init-npm
@@ -69,7 +69,7 @@ jobs:
 
     steps:
       - name: Check out Git repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: build Docker image
         run: docker build -t test-build:latest .