diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1375288..6ed8552 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,7 @@ jobs:
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v2.2.2
diff --git a/.github/workflows/pdd.yml b/.github/workflows/pdd.yml
index 25f6357..df23490 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@v3
+      - uses: actions/checkout@v4
       - uses: g4s8/pdd-action@master
diff --git a/.github/workflows/xcop.yml b/.github/workflows/xcop.yml
index 5682297..f212088 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@v3
+      - uses: actions/checkout@v4
       - uses: g4s8/xcop-action@master