diff --git a/docs/mkdocs/requirements.txt b/docs/mkdocs/requirements.txt
index b397d545d..f5d5c52aa 100644
--- a/docs/mkdocs/requirements.txt
+++ b/docs/mkdocs/requirements.txt
@@ -42,7 +42,7 @@ regex==2023.10.3
 requests==2.31.0
 six==1.16.0
 smmap==5.0.1
-tornado==6.3.3
+tornado==6.4.2
 tqdm==4.66.1
 urllib3==2.0.7
 watchdog==3.0.0