diff --git a/docs/source/conf.py b/docs/source/conf.py
index c83468f..faa2403 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -25,7 +25,7 @@
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.todo', 'sphinx.ext.mathjax', 'sphinx.ext.ifconfig']
+extensions = ['sphinx.ext.todo', 'sphinx.ext.mathjax', 'sphinx.ext.ifconfig', 'sphinxcontrib.jquery']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
@@ -41,16 +41,16 @@
 
 # General information about the project.
 project = u'Ceres Solver'
-copyright = u'2020 Google Inc'
+copyright = u'2023 Google Inc'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
 # The short X.Y version.
-version = '2.0'
+version = '2.2'
 # The full version, including alpha/beta/rc tags.
-release = '2.0.0'
+release = '2.2.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -246,7 +246,7 @@
 # By default MathJax does not use TeX fonts, which is a tragedy. Also
 # scaling the fonts down a bit makes them fit better with font sizing
 # in the "Read The Docs" theme.
-mathjax_config = {
+mathjax3_config = {
 'HTML-CSS' : {
         'availableFonts' : ["TeX"],
         'scale' : 90