diff --git a/docs/requirements.txt b/docs/requirements.txt
index ab1e2d0..8e75b99 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -51,7 +51,7 @@ sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
 testpath==0.4.4
-tornado==6.5.7
+tornado==6.5.8
 traitlets==4.3.3
 urllib3==2.7.0
 webencodings==0.5.1