diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index fd58df912f..85d81cebce 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index ba9405c081..28e6957974 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -25,7 +25,7 @@ jobs:
     name: Check linting issues
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Ensure builds/ has not changed
         run: |
           curl -sL https://api.github.com/repos/speced/respec/pulls/${{ github.event.pull_request.number }}/files -o /tmp/pr_files.json
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: lint
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
@@ -59,7 +59,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: lint
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
@@ -77,7 +77,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: lint
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 6d55bbda57..aa5c283ac0 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -27,7 +27,7 @@ jobs:
     name: Headless Tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
@@ -52,7 +52,7 @@ jobs:
     name: Karma Unit Tests (Chrome)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
diff --git a/.github/workflows/regressions.yml b/.github/workflows/regressions.yml
index 05d47c00ea..1dc173eb52 100644
--- a/.github/workflows/regressions.yml
+++ b/.github/workflows/regressions.yml
@@ -11,7 +11,7 @@ jobs:
     name: Build W3C profile
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }
@@ -41,7 +41,7 @@ jobs:
           - https://w3c.github.io/geolocation-api/
       fail-fast: false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: pnpm/action-setup@v4
       - uses: actions/setup-node@v4
         with: { node-version-file: '.nvmrc', cache: pnpm }