diff --git a/requirements/local.txt b/requirements/local.txt
index 495553e..c7f83ac 100644
--- a/requirements/local.txt
+++ b/requirements/local.txt
@@ -13,7 +13,7 @@ pytest-sugar==0.9.6  # https://github.com/Frozenball/pytest-sugar
 
 # Documentation
 # ------------------------------------------------------------------------------
-sphinx==5.3.0  # https://github.com/sphinx-doc/sphinx
+sphinx==6.1.3  # https://github.com/sphinx-doc/sphinx
 sphinx-autobuild==2021.3.14 # https://github.com/GaretJax/sphinx-autobuild
 
 # Code quality