Index: .gitlab-ci.yml
===================================================================
--- .gitlab-ci.yml	(revision a4a96fdcee5eddf20bb3729345b6f90bea726a19)
+++ .gitlab-ci.yml	(revision 2d2c6297494fb457ca9c189a98b475be63e15b6f)
@@ -3,4 +3,5 @@
   stage: deploy
   script:
+    - pip install -U sphinx
     - sphinx-build -b html doc/rst/ public
   artifacts: