diff --git a/.drone.yml b/.drone.yml
index a6045275..47623f99 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,6 +9,7 @@ steps:
   - apt -y install texlive texlive-luatex texlive-lang-german
 #  - apt -y install latexmk
 #  - apt -y install texlive-lang-french texlive-lang-portuguese texlive-lang-spanish texlive-lang-italian
+  - apt -y install lilypond
   - apt -y install python3-pip
   - pip3 install patacrep
   - songbook books/songbook-hendrik.yaml