diff --git a/requirements.txt b/requirements.txt
index fcbff5f..bb53b0d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,6 +29,6 @@ sphinxcontrib-htmlhelp==1.0.2
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.2
 sphinxcontrib-serializinghtml==1.1.3
-tornado==6.4.2
+tornado==6.5.1
 urllib3==1.26.19
 watchdog==0.10.2