diff --git a/requirements-dev.txt b/requirements-dev.txt
index f436364..7496dbb 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ mypy==1.11.2
 pre-commit==4.0.1
 pygments==2.18.0
 pyupgrade==3.18.0
-sphinx==7.0.1
+sphinx==8.1.3
 tox==4.21.2
 types-requests==2.32.0.20240914
 types-setuptools==75.1.0.20240917