diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index 2bc05d5..77aded5 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4
diff --git a/.github/workflows/flake8.yml b/.github/workflows/flake8.yml
index a69cac0..cfd507c 100644
--- a/.github/workflows/flake8.yml
+++ b/.github/workflows/flake8.yml
@@ -7,6 +7,6 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: GitHub Action for Flake8
       uses: cclauss/GitHub-Action-for-Flake8@v0.5.0
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5c6408b..7e0e904 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,7 +8,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with: