diff --git a/docs/requirements.txt b/docs/requirements.txt
index 71fd2b5..cbe9f9a 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-sphinx>=9.1,<9.2
+sphinx>=9.2,<9.3
 nbsphinx>=0.9.8,<1.0
 furo>=2025.0,<2026.0
 sphinx_copybutton>=0.5,<1.0