diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 59d6d520..2fe50568 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -21,7 +21,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/setup
         with:
           python-version: ${{ matrix.python-version }}
@@ -39,7 +39,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/setup
         with:
           python-version: ${{ matrix.python-version }}
@@ -57,7 +57,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/setup
         with:
           python-version: ${{ matrix.python-version }}
@@ -78,7 +78,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: ./.github/setup
         with:
           python-version: ${{ matrix.python-version }}
@@ -96,7 +96,7 @@ jobs:
       - minimum-versions
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Execute linters and test suites
         run: ./docker/cibuild
       - name: Upload coverage to Codecov
@@ -117,7 +117,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2dab9717..a7e65821 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     name: release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.x
         uses: actions/setup-python@v4
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2
         with: