diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 272a654..27b4aa5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,8 +13,10 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
-      - uses: psf/black@20.8b1
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.x'
+      - uses: psf/black@stable
 
   build:
     runs-on: ubuntu-20.04
@@ -24,7 +26,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies
diff --git a/.github/workflows/publish-to-test-pypi.yml b/.github/workflows/publish-to-test-pypi.yml
index 8a5d58d..7a38c78 100644
--- a/.github/workflows/publish-to-test-pypi.yml
+++ b/.github/workflows/publish-to-test-pypi.yml
@@ -11,7 +11,7 @@ jobs:
     steps:
     - uses: actions/checkout@v3
     - name: Set up Python 3.x
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install pypa/build