diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 10fcba28..1c7e0c24 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout main
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@1.26