diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b199db9b..2ae6e483 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -26,7 +26,7 @@ jobs:
     # Check that the Jekyll can actually build
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Build the site in the jekyll-docker container
         run: |
           docker run \
@@ -52,7 +52,7 @@ jobs:
     # Check markdown files are markdown-lint compliant
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Lint markdown files with markdown-lint
         uses: articulate/actions-markdownlint@v1.1.0
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 24c38501..d6557e2e 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
     outputs:
       target: ${{ steps.set-output.outputs.target }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: get deployment target
         run: |
@@ -44,7 +44,7 @@ jobs:
     if: needs.set-deploy-type.outputs.target == 'gh-pages'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Deploy Jekyll Site
         uses: sujaykundu777/jekyll-deploy-action@1.0.5
@@ -59,7 +59,7 @@ jobs:
     if: needs.set-deploy-type.outputs.target == 'firebase'
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: setup ruby
         uses: ruby/setup-ruby@v1