diff --git a/.github/workflows/check_links.yml b/.github/workflows/check_links.yml
index 851dba86..2db23339 100644
--- a/.github/workflows/check_links.yml
+++ b/.github/workflows/check_links.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install Python and just
         uses: opensafely-core/setup-action@v1
diff --git a/.github/workflows/check_redirects.yml b/.github/workflows/check_redirects.yml
index 3daeddeb..a311bf1f 100644
--- a/.github/workflows/check_redirects.yml
+++ b/.github/workflows/check_redirects.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Check Cloudflare redirects
         run: |
diff --git a/.github/workflows/check_vale.yml b/.github/workflows/check_vale.yml
index bd2a9244..4816d720 100644
--- a/.github/workflows/check_vale.yml
+++ b/.github/workflows/check_vale.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install just
         uses: opensafely-core/setup-action@v1
diff --git a/.github/workflows/pages-deployment.yml b/.github/workflows/pages-deployment.yml
index 99032285..e40bb77a 100644
--- a/.github/workflows/pages-deployment.yml
+++ b/.github/workflows/pages-deployment.yml
@@ -18,7 +18,7 @@ jobs:
     name: Deploy to Cloudflare Pages
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install Python and just
         uses: opensafely-core/setup-action@v1