diff --git a/src/requirements.txt b/src/requirements.txt
index 93b1271..c684c82 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -59,7 +59,7 @@ sphinxcontrib-tikz==0.4.16
 sphinxemoji==0.2.0
 sphinxext-opengraph==0.6.3
 tabulate==0.9.0
-tornado==6.3.3
+tornado==6.4.1
 tqdm==4.66.3
 urllib3==1.26.18
 watchdog==2.1.7