diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 74a0c4e..4912589 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,9 +15,9 @@ jobs:
         python-version: ["3.10"]
         toxenv: [flake8, black, mypy, docs]
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install tox
@@ -31,12 +31,12 @@ jobs:
       github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0  # required for setuptools_scm
     - name: Build sdist and temporary wheel
       run: pipx run build
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: sdist
         path: dist/*.tar.gz
@@ -63,9 +63,9 @@ jobs:
           python-version: "3.10"
           compile_flags: "-mssse3"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install tox
@@ -86,7 +86,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0  # required for setuptools_scm
     - name: Build wheels
@@ -94,7 +94,7 @@ jobs:
       env:
         CIBW_BUILD: "cp*-manylinux_x86_64 cp3*-win_amd64 cp3*-macosx_x86_64"
         CIBW_SKIP: "cp37-*"
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       with:
         name: wheels
         path: wheelhouse/*.whl