diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 61497936732cdfda826d7e652831dd4df7b5426d..8430a3dea7ff6ebc322d3bb4a6923b9bd5e8f700 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,6 +32,8 @@ coverage:
 pages:
   script:
   - cd Build
+  - apt-get update
+  - apt-get install ttf-freefont graphviz
   - make doc
   - mv ../doc/html/ ../public/
   artifacts: