diff --git a/.github/workflows/code-static-analysis.yml b/.github/workflows/code-static-analysis.yml
index 4bf39776..766c340c 100644
--- a/.github/workflows/code-static-analysis.yml
+++ b/.github/workflows/code-static-analysis.yml
@@ -32,7 +32,7 @@ jobs:
         language: ['javascript', 'python']
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python 3.8
         if: ${{ matrix.language == 'python' }}
         uses: actions/setup-python@v4
diff --git a/.github/workflows/linter.yml b/.github/workflows/linter.yml
index 1e7f825c..963412a0 100644
--- a/.github/workflows/linter.yml
+++ b/.github/workflows/linter.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # Full git history is needed to get a proper list of changed files within `super-linter`
           fetch-depth: 0
diff --git a/.github/workflows/monthly-report-checks.yml b/.github/workflows/monthly-report-checks.yml
index 80755c79..acec6446 100644
--- a/.github/workflows/monthly-report-checks.yml
+++ b/.github/workflows/monthly-report-checks.yml
@@ -34,7 +34,7 @@ jobs:
     if: github.repository == 'HTTPArchive/httparchive.org'
     steps:
     - name: Checkout branch
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Run the report checks
       env:
         REPORT_DATE: ${{ github.event.inputs.REPORT_DATE }}
diff --git a/.github/workflows/predeploy.yml b/.github/workflows/predeploy.yml
index 9ee76e63..9f0ddf5a 100644
--- a/.github/workflows/predeploy.yml
+++ b/.github/workflows/predeploy.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
     - name: Checkout branch
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Setup Node.js for use with actions
       uses: actions/setup-node@v3
       with:
diff --git a/.github/workflows/production-checks.yml b/.github/workflows/production-checks.yml
index 027c3835..f5e5420a 100644
--- a/.github/workflows/production-checks.yml
+++ b/.github/workflows/production-checks.yml
@@ -24,7 +24,7 @@ jobs:
     if: github.repository == 'HTTPArchive/httparchive.org'
     steps:
     - name: Checkout branch
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set the list of URLs for Lighthouse to check
       run: ./tools/scripts/set_lighthouse_urls.sh -p
     - name: Audit URLs using Lighthouse
diff --git a/.github/workflows/test-website.yml b/.github/workflows/test-website.yml
index 3dba10e8..1f1052e0 100644
--- a/.github/workflows/test-website.yml
+++ b/.github/workflows/test-website.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.repository == 'HTTPArchive/httparchive.org'
     steps:
     - name: Checkout branch
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # Full git history is needed to get a proper list of changed files within `super-linter`
         fetch-depth: 0