diff --git a/requirements.txt b/requirements.txt
index 7f9d7f37..deb456aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ importlib-metadata<6.9 # for flake8
 typing_extensions==4.8.0
 zipp==3.17.0  # for flake8
 flake8==6.1.0
-tornado==6.3.3
+tornado==6.4
 cssselect==1.2.0
 lxml==4.9.1
 fuzzywuzzy==0.18.0