diff --git a/.github/workflows/bump.yaml b/.github/workflows/bump.yaml
index 96b1b31..eefa983 100644
--- a/.github/workflows/bump.yaml
+++ b/.github/workflows/bump.yaml
@@ -25,7 +25,7 @@ jobs:
       CI_COMMIT_EMAIL: "ci-runner@fgen_example.invalid"
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           token: "${{ secrets.PERSONAL_ACCESS_TOKEN }}"
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 858474c..ba88b4e 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           os: "ubuntu-latest"
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           os: "ubuntu-latest"
@@ -54,7 +54,7 @@ jobs:
         shell: bash
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           os: "${{ matrix.os }}"
@@ -77,7 +77,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           python-version: "${{ matrix.python-version }}"
@@ -90,7 +90,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           python-version: "3.11"
@@ -110,7 +110,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - uses: ./.github/actions/setup
         with:
           python-version: "3.11"
diff --git a/.github/workflows/install.yaml b/.github/workflows/install.yaml
index 799d7d9..51e3f2f 100644
--- a/.github/workflows/install.yaml
+++ b/.github/workflows/install.yaml
@@ -26,7 +26,7 @@ jobs:
         pip install --upgrade pip
         pip install fgen-example
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Test installation
       run: |
         which python
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index b294b0e..d177ab8 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: ./.github/actions/setup
@@ -35,7 +35,7 @@ jobs:
     needs: [ generate-wheels, test-repository ]
     steps:
       - name: Check out repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Python
diff --git a/changelog/5.trivial.md b/changelog/5.trivial.md
new file mode 100644
index 0000000..f9f26cb
--- /dev/null
+++ b/changelog/5.trivial.md
@@ -0,0 +1 @@
+Upgrade actions/checkout to v4