diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1810cde5ef2a31c581a1d6b47d1d67c8d99d009d..fc45c8b512210580b6a68d48228239fa6df00f49 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ doxygen:
   tags:
     - documentation
   before_script:
-    - apk update && apk --no-cache add git doxygen graphviz ttf-freefont texmf-dist texmf-dist-latexextra texmf-dist-langgreek texlive
+    - apk update && apk --no-cache add git doxygen graphviz ttf-freefont texmf-dist texmf-dist-latexextra texmf-dist-langgreek texlive texlive-luatex
   script:
     - git clone -b feature-aircraftGeometry2 --recurse-submodules https://gitlab-ci-token:${CI_JOB_TOKEN}@git.rwth-aachen.de/unicado/libraries
     - cd libraries/aircraftGeometry2/doc/ && ( cat Doxyfile ; echo "OUTPUT_DIRECTORY = $CI_PROJECT_DIR/docs/modules/" ) | doxygen -