diff --git a/requirements/local.txt b/requirements/local.txt
index bd7f4ba..3f96591 100644
--- a/requirements/local.txt
+++ b/requirements/local.txt
@@ -14,7 +14,7 @@ pytest-sugar==1.0.0  # https://github.com/Frozenball/pytest-sugar
 
 # Documentation
 # ------------------------------------------------------------------------------
-sphinx==7.2.6  # https://github.com/sphinx-doc/sphinx
+sphinx==8.1.3  # https://github.com/sphinx-doc/sphinx
 sphinx-autobuild==2024.2.4 # https://github.com/GaretJax/sphinx-autobuild
 
 # Code quality