diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index 21ddd8d2..8867ecf5 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -35,7 +35,7 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
@@ -63,7 +63,7 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Set up Python 3.6
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
           python-version: 3.6
       - name: Install Flake8
diff --git a/.github/workflows/pythonpublish.yml b/.github/workflows/pythonpublish.yml
index 662e29f0..bc130196 100644
--- a/.github/workflows/pythonpublish.yml
+++ b/.github/workflows/pythonpublish.yml
@@ -37,7 +37,7 @@ jobs:
     steps:
       - uses: actions/checkout@v1
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies