Index: .gitlab-ci.yml
===================================================================
--- .gitlab-ci.yml	(revision 437474e06d71f2a84b91387392dd9948b01767ad)
+++ .gitlab-ci.yml	(revision d954282e509f18bea667a5034aef712785699d86)
@@ -4,6 +4,5 @@
   script:
     - python3 --version
-    - pip install -U sphinx
-    - pip install --upgrade sphinx_adc_theme
+    - pip install --upgrade sphinx numpy sphinx_adc_theme
     - sphinx-build -b html doc/rst/ public
   artifacts: