diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cd7f41be..019069eb 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ jobs:
           # sudo add-apt-repository -y ppa:jonathonf/texlive-2019
           # sudo add-apt-repository -y ppa:git-core/ppa
           sudo apt-get update -q -y
-          sudo apt-get install sile texlive-xetex libtext-unicode-equivalents-perl libtext-pdf-perl libio-string-perl libfont-ttf-scripts-perl libfont-ttf-perl libalgorithm-diff-perl libxml-parser-perl grcompiler libtext-csv-perl wamerican wbritish -y -qq
+          sudo apt-get install sile luarocks texlive-xetex libtext-unicode-equivalents-perl libtext-pdf-perl libio-string-perl libfont-ttf-scripts-perl libfont-ttf-perl libalgorithm-diff-perl libxml-parser-perl grcompiler libtext-csv-perl wamerican wbritish -y -qq
           # sudo apt-get remove *php* *mono* *dotnet* -y
           # sudo apt-get autoremove -y
           # sudo apt-get upgrade -q -y