diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 5033b11fc..d59cf55c0 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index ffced64af..f5b8ec695 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,11 +19,11 @@ jobs:
       matrix:
         node-version: [12.x, 14.x, 16.x, 18.x]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         if: github.event.inputs.git-ref == ''
         with:
           fetch-depth: 0 # always fetch everything to be sure for codecov
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         if: github.event.inputs.git-ref != ''
         with:
           ref: ${{ github.event.inputs.git-ref }}
@@ -57,7 +57,7 @@ jobs:
     needs: [tests]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js 12
         uses: actions/setup-node@v3
         with:
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index f06f09b7d..6cc0bb216 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -22,7 +22,7 @@ jobs:
       contents: write  # for JamesIves/github-pages-deploy-action to push changes in repo
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js 18
         uses: actions/setup-node@v3
         with: