diff --git a/requirements-dev.txt b/requirements-dev.txt
index 87384ee738cf3..d7572d93be57f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -63,7 +63,7 @@ pickleshare
 numpydoc
 pydata-sphinx-theme==0.16
 pytest-cython
-sphinx
+sphinx==9.0.1
 sphinx-design
 sphinx-copybutton
 scipy-stubs