diff --git a/docs/requirements.txt b/docs/requirements.txt
index deb9d55..73a94d3 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
-sphinx==9.1.0
+sphinx==9.1.1
 pydata-sphinx-theme==0.21.0
 sphinxcontrib-bibtex==2.7.0
\ No newline at end of file