diff --git a/sphinx/requirements.txt b/sphinx/requirements.txt
index c6ec125..6ad6260 100644
--- a/sphinx/requirements.txt
+++ b/sphinx/requirements.txt
@@ -26,7 +26,7 @@ sphinxcontrib-globalsubs==0.1.1
 sphinxcontrib-htmlhelp==2.0.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==2.0.0
 typing_extensions==4.12.2
 urllib3==2.1.0
 zipp==3.19.2