diff --git a/.github/workflows/flake8-lint.yml b/.github/workflows/flake8-lint.yml
index 6bd3a59..993e5e5 100644
--- a/.github/workflows/flake8-lint.yml
+++ b/.github/workflows/flake8-lint.yml
@@ -10,7 +10,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.head_ref }}
         fetch-depth: 0
@@ -49,7 +49,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
       with:
         ref: ${{ github.head_ref }}
         fetch-depth: 0
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 0812d1a..d5addee 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Python
         uses: actions/setup-python@v4