diff --git a/.github/workflows/gendoc.yml b/.github/workflows/gendoc.yml
index 01a388bc2..35e08e375 100644
--- a/.github/workflows/gendoc.yml
+++ b/.github/workflows/gendoc.yml
@@ -43,7 +43,7 @@ jobs:
 
       - name: Install all required modules
         run: |
-          luarocks install neorg --deps-only
+          luarocks install --lua-version=5.1 neorg --deps-only
 
       - name: Clone Wiki
         uses: actions/checkout@v2