diff --git a/include/json/docs/mkdocs/requirements.txt b/include/json/docs/mkdocs/requirements.txt
index 3bb0f851..3ba3b129 100644
--- a/include/json/docs/mkdocs/requirements.txt
+++ b/include/json/docs/mkdocs/requirements.txt
@@ -42,7 +42,7 @@ regex==2022.10.31
 requests==2.28.1
 six==1.16.0
 smmap==5.0.0
-tornado==6.2
+tornado==6.4.1
 tqdm==4.64.1
 urllib3==1.26.13
 watchdog==2.2.0