-Sphinx == 1.8.3
+Sphinx == 2.1.2
git+https://github.com/ceph/sphinx-ditaa.git@py3#egg=sphinx-ditaa
-# newer versions of breathe will require Sphinx >= 2.0.0 and are Python3 only
-breathe==4.12.0
-# 4.2 is not yet release at the time of writing, to address CVE-2017-18342,
-# we have to use its beta release.
-pyyaml>=4.2b1
+breathe == 4.13.1
+pyyaml >= 5.1.2