diff --git a/docs/requirements.txt b/docs/requirements.txt
index 58efae769..7c68cd9a4 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx<9
+sphinx<10
 sphinxcontrib-bibtex
 sphinxcontrib-spelling
 autodoc_pydantic