diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 088aa2f..d254fa3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
       with:
         # For pull requests, this ensures we checkout the PR branch, not the target branch
         ref: ${{ github.event.pull_request.head.sha || github.sha }}
diff --git a/.github/workflows/update-postcodes.yml b/.github/workflows/update-postcodes.yml
index c9a8712..95acc7d 100644
--- a/.github/workflows/update-postcodes.yml
+++ b/.github/workflows/update-postcodes.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v7
     
     - name: Install uv
       uses: astral-sh/setup-uv@v4