diff --git a/docs/conf.py b/docs/conf.py
index b83e0f0..1be08b1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -78,7 +78,7 @@ release = "1.0.dev"
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+# language = None
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
@@ -445,4 +445,7 @@ epub_exclude_files = ["search.html"]
 
 
 # Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {"https://docs.python.org/": None}
+intersphinx_mapping = {
+    # "https://docs.python.org/": None,
+    "python": ("https://docs.python.org/", None),
+}
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 7c89926..276ae37 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,5 @@
-Sphinx==1.5.3
-sphinx-autobuild==0.7.1
+Sphinx==7.0.0
+sphinx-autobuild==2021.3.14
+pygments-graphql-lexer==0.1.0
 # Docs template
 http://graphene-python.org/sphinx_graphene_theme.zip
diff --git a/docs/settings.rst b/docs/settings.rst
index 5bffd08..d38d0c9 100644
--- a/docs/settings.rst
+++ b/docs/settings.rst
@@ -224,7 +224,7 @@ Default: ``/graphql``
 
 
 ``GRAPHIQL_SHOULD_PERSIST_HEADERS``
----------------------
+-----------------------------------
 
 Set to ``True`` if you want to persist GraphiQL headers after refreshing the page.