diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index beaaffac..0ee45670 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -54,7 +54,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
         with:
           # Use latest Python, so it understands all syntax.
           python-version: ${{env.PYTHON_LATEST}}
@@ -86,7 +86,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{env.PYTHON_LATEST}}
 
@@ -107,7 +107,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-python@v3
+      - uses: actions/setup-python@v4
         with:
           python-version: ${{env.PYTHON_LATEST}}
       - run: python -m pip install -e .[dev]