Support for sphinx-build v1.6.7 broken (v9.16)

make[4]: Entering directory '/<<PKGBUILDDIR>>/doc/man'
/usr/bin/sphinx-build -b html -d "./_build"/.doctrees/html -W -a -v -c "/<<PKGBUILDDIR>>/doc/man" -D version="9.16.28-Ubuntu" -D today="2022-04-11" -D release="BIND 9.16.28-Ubuntu (Extended Support Version)"  . "./_build"/html
Running Sphinx v1.6.7
making output directory...

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/cmdline.py", line 305, in main
    opts.warningiserror, opts.tags, opts.verbosity, opts.jobs)
  File "/usr/lib/python3/dist-packages/sphinx/application.py", line 206, in __init__
    self.config.setup(self)
  File "conf.py", line 114, in setup
    app.add_role_to_domain('std', 'option', roles.code_role, override=True)
TypeError: add_role_to_domain() got an unexpected keyword argument 'override'

Exception occurred:
  File "conf.py", line 114, in setup
    app.add_role_to_domain('std', 'option', roles.code_role, override=True)
TypeError: add_role_to_domain() got an unexpected keyword argument 'override'
The full traceback has been saved in /tmp/sphinx-err-1oxk2ny3.log, if you want to report the issue to the developers.
Please also report this if it was a user error, so that a better error message can be provided next time.
A bug report can be filed in the tracker at <https://github.com/sphinx-doc/sphinx/issues>. Thanks!
Makefile:578: recipe for target 'html' failed