diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4e42c5c..3872775 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,7 +2,7 @@ image: alpine
     
 pages:
   script:
-  - apk update && apk add doxygen graphviz ttf-freefont && apk add make
+  - apk update && apk add doxygen graphviz ttf-freefont && apk add make && apk add pdflatex
   #- doxygen docs/doxygen.conf
   - doxygen doxygen.txt
   - cd docs/latex