diff --git a/requirements.txt b/requirements.txt
index 6ae28b45..434fbedc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -217,7 +217,7 @@ shrike==1.31.10
 six==1.16.0
 snowballstemmer==2.2.0
 sortedcontainers==2.4.0
-soupsieve==2.6
+soupsieve==2.9
 Sphinx==5.2.3
 sphinx-copybutton==0.5.0
 sphinxcontrib-applehelp==1.0.2