diff --git a/Dockerfile b/Dockerfile
index 9dfdfab..9b3cc37 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,4 +29,7 @@ RUN wget -O sonar.zip https://binaries.sonarsource.com/Distribution/sonar-scanne
 
 RUN pip3 install makelove
 
+RUN apt-get -y install luarocks && \
+	luarocks install tl
+
 ENV PATH="$PATH:/sonar/bin"