diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index a99778c..be466f2 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -8,7 +8,7 @@ jobs:
   codecov:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.7
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index 2d47fef..697972c 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -11,5 +11,5 @@ jobs:
   pdd:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: g4s8/pdd-action@master
diff --git a/.github/workflows/rake.yml b/.github/workflows/rake.yml
index 3bd4748..956374d 100644
--- a/.github/workflows/rake.yml
+++ b/.github/workflows/rake.yml
@@ -16,7 +16,7 @@ jobs:
         ruby: [2.6]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           sudo apt-get update
           sudo apt-get install -y postgresql-14
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index 7884fb8..1cae463 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -11,7 +11,7 @@ jobs:
   xcop:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: g4s8/xcop-action@master
         with:
           files: '**/*.xml'