diff --git a/requirements.txt b/requirements.txt
index b2641c71..654e320d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -262,7 +262,7 @@ toolz==0.10.0
 torch==1.7.1
 torchtext==0.8.1
 torchvision==0.2.2
-tornado==6.1
+tornado==6.4.1
 tqdm @ file:///home/conda/feedstock_root/build_artifacts/tqdm_1594937875116/work
 traitlets==4.3.3
 transformers==4.1.1