diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index a67589f..f3c8017 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -19,6 +19,7 @@ jobs:
         run: |
           sudo apt install -y lua5.4 liblua5.4-dev luarocks
           sudo luarocks --lua-version 5.4 install busted
+          sudo luarocks make
           make test
       - name: pack
         if: startsWith(github.ref, 'refs/tags/')