[docs] Update Sphinx and Fix various references

Co-Authored-By: Riley Shaw <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index cee70b98..bdf1549f 100644
--- a/setup.py
+++ b/setup.py
@@ -36,7 +36,7 @@ with open('README.rst') as f:
 extras_require = {
     'voice': ['PyNaCl>=1.3.0,<1.5'],
     'docs': [
-        'sphinx==3.5.4',
+        'sphinx==4.0.2',
         'sphinxcontrib_trio==1.1.2',
         'sphinxcontrib-websupport',
     ]