diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index 0c84a13..e07952a 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -20,7 +20,7 @@ jobs:
     name: Build and publish docker image
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     - name: Set up Just
       uses: extractions/setup-just@e33e0265a09d6d736e2ee1e0eb685ef1de4669ff
     - name: Build image
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fc0d473..02b1db3 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: "opensafely-core/setup-action@v1"
         with:
           install-just: true
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: "opensafely-core/setup-action@v1"
         with:
           install-just: true
diff --git a/.github/workflows/update-dependencies.yml b/.github/workflows/update-dependencies.yml
index e73bef0..91b4cd8 100644
--- a/.github/workflows/update-dependencies.yml
+++ b/.github/workflows/update-dependencies.yml
@@ -9,7 +9,7 @@ jobs:
   update-dependencies:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: "opensafely-core/setup-action@v1"
       with:
         install-just: true