diff --git a/requirements-dev.txt b/requirements-dev.txt
index c9dde04e..8b8578b0 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -31,6 +31,6 @@ scikit-learn
 pyyaml
 nox
 mypy==1.14.1
-sphinx==8.1.3
+sphinx==7.4.7
 sphinx-rtd-theme==3.0.2