diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index d6a25148..c1266877 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -8,7 +8,7 @@ jobs:
   codecov:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v1
         with:
           java-version: 17
diff --git a/.github/workflows/mvn.yml b/.github/workflows/mvn.yml
index 067a86d4..4ddc150d 100644
--- a/.github/workflows/mvn.yml
+++ b/.github/workflows/mvn.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-20.04]
         java: [11, 17]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v1
         with:
           java-version: ${{ matrix.java }}
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index 7bb19b96..5257b9b5 100644
--- a/.github/workflows/pdd.yml
+++ b/.github/workflows/pdd.yml
@@ -11,5 +11,5 @@ jobs:
   pdd:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: g4s8/pdd-action@master
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index 1cad90bb..5f2c20f4 100644
--- a/.github/workflows/xcop.yml
+++ b/.github/workflows/xcop.yml
@@ -11,5 +11,5 @@ jobs:
   xcop:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: g4s8/xcop-action@master