pbr>=1.6  # Apache-2.0
docutils>=0.11,!=0.13.1  # OSI-Approved Open Source, Public Domain
oslosphinx>=4.7.0  # Apache-2.0
sphinx>=1.6.2  # BSD
yasfb>=0.5.1
openstackdocstheme>=1.5.0 # Apache-2.0