diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3abe6bff..53d7dcc4 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx==9.1.0
+sphinx==8.2.3
 pallets_sphinx_themes==2.5.0
 myst-parser==5.1.0
 enum-tools[sphinx]==0.13.0