diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d2ffe6df..2c10ea52 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,9 +14,9 @@ jobs:
         python-version: ["3.8", "3.9", "3.10"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Run lint
@@ -29,9 +29,9 @@ jobs:
         python-version: ["3.8", "3.9", "3.10"]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
       - name: Run doctests
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 67ca048e..710256aa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,10 +12,10 @@ jobs:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.8
       - name: Build the sdist and the wheel
@@ -40,7 +40,7 @@ jobs:
           echo "Checking import and version number (on release)"
           venv-bdist/bin/python -c "import causalpy; assert causalpy.__version__ == '${{  github.ref_name }}' if '${{ github.ref_type }}' == 'tag' else causalpy.__version__; print(causalpy.__version__)"
           cd ..
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: artifact
           path: dist/*
@@ -60,7 +60,7 @@ jobs:
           user: __token__
           password: ${{ secrets.TEST_PYPI_API_TOKEN }}
           repository_url: https://test.pypi.org/legacy/
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.8
       - name: Test pip install from test.pypi