diff --git a/.github/workflows/manual-publish-docs.yml b/.github/workflows/manual-publish-docs.yml
index 1c3b2c9..d22b2f6 100644
--- a/.github/workflows/manual-publish-docs.yml
+++ b/.github/workflows/manual-publish-docs.yml
@@ -15,6 +15,7 @@ jobs:
         uses: ./.github/actions/ci
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          lua-version: "5.3"
 
       - name: Build documentation
         uses: ./.github/actions/build-docs