diff --git a/requirements.txt b/requirements.txt
index 17c37e9..d2dbebb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -91,7 +91,7 @@ stdlib-list==0.9.0
 tenacity==8.2.2
 threadpoolctl==3.1.0
 tinycss2==1.2.1
-tornado==6.3.2
+tornado==6.3.3
 tqdm==4.65.0
 traitlets==5.9.0
 tzdata==2023.3