diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 71e3be2..4052e02 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -14,9 +14,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
-    - uses: actions/setup-python@v4
+    - uses: actions/setup-python@v5
       with:
         python-version: 3.9
 
@@ -26,7 +26,7 @@ jobs:
     - name: build dist
       run: python -m build
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: artifacts
         path: dist/*
@@ -41,13 +41,13 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         name: artifacts
         path: dist
 
     - name: Push build artifacts to PyPI
-      uses: pypa/gh-action-pypi-publish@v1.6.4
+      uses: pypa/gh-action-pypi-publish@release/v1
       with:
         skip_existing: true
         user: __token__
@@ -59,10 +59,10 @@ jobs:
     needs: publish
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
-    - uses: actions/setup-node@v3
+    - uses: actions/setup-node@v4
       with:
         node-version: 18
     - run: npx changelogithub --no-group
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dc81fb6..f1d34f5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,9 +24,9 @@ jobs:
         python: ["3.8", "3.9", "3.10", "3.11", "pypy3.9"]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python }} on ${{ matrix.os }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python }}
 
@@ -38,7 +38,7 @@ jobs:
     - name: Check types with Python ${{ matrix.python }} on ${{ matrix.os }}
       run: |
         mypy --strict src
-        mypy src tests
+        mypy tests
 
     - name: Test with Python ${{ matrix.python }} on ${{ matrix.os }}
       run: pytest
@@ -47,7 +47,7 @@ jobs:
       run: pytest --cov=mistune --cov-report=xml
 
     - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         files: ./coverage.xml