diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 4e33500e7..66a308b4e 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/depsreview.yaml b/.github/workflows/depsreview.yaml
index da99d0c54..b9945082d 100644
--- a/.github/workflows/depsreview.yaml
+++ b/.github/workflows/depsreview.yaml
@@ -9,6 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Checkout Repository'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v3
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index a28de0809..2de4b3898 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -13,67 +13,67 @@ jobs:
     runs-on: code
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=linter
   repo:
     runs-on: Python3.8
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=repo
   unit:
     runs-on: Linux
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=unit
   lab:
     runs-on: Linux
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=lab
   docs:
     runs-on: Linux
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=docs
   neutron:
     runs-on: Python3.8
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=neutron
   integration:
     runs-on: Linux
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=integration
   minimal:
     runs-on: Linux
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: sudo make nox session=minimal
   linux-fedora-35:
     runs-on: linux-fedora-35
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: sudo make nox session=linux-3.6
       - run: sudo make nox session=linux-3.10
   linux-ubuntu-18:
     runs-on: linux-ubuntu-18
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: sudo make nox session=linux-3.6
       - run: sudo make nox session=linux-3.10
   openbsd:
     runs-on: OpenBSD
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: /home/github/openbsd_runner.sh
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 1e94ea297..ba0551bd7 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -13,5 +13,5 @@ jobs:
     runs-on: code
     steps:
       - run: sudo chown -R $USER:$USER $GITHUB_WORKSPACE
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: make nox session=linter