diff --git a/.github/workflows/django_on_diff_os.yml b/.github/workflows/django_on_diff_os.yml
index fba281f..deefd90 100644
--- a/.github/workflows/django_on_diff_os.yml
+++ b/.github/workflows/django_on_diff_os.yml
@@ -18,7 +18,7 @@ jobs:
         python_version: [3.7, 3.8]
         os: [macos-latest, windows-latest, ubuntu-latest]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python_version }}
       uses: actions/setup-python@v2
       with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6c91c60..fc49475 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -10,7 +10,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-node@v1
       with:
         node-version: 12.16.3
diff --git a/.github/workflows/simple.yml b/.github/workflows/simple.yml
index f956fcb..eb49dbf 100644
--- a/.github/workflows/simple.yml
+++ b/.github/workflows/simple.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     if: startsWith(github.head_ref, 'renovate') == false
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v2
       with:
         python-version: 3.8
@@ -28,7 +28,7 @@ jobs:
   black:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v2
       with:
         python-version: 3.8
@@ -42,7 +42,7 @@ jobs:
   isort:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v2
       with:
         python-version: 3.8
@@ -56,7 +56,7 @@ jobs:
   security:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: actions/setup-python@v2
       with:
         python-version: 3.8
@@ -88,7 +88,7 @@ jobs:
         django-version: ["~=2.2.0", "~=3.0.0"]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
@@ -112,7 +112,7 @@ jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: docker build
       run: docker build . --file Dockerfile -t ${{ github.repository }} -t ${{ github.repository }}:$(date +%s)