diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 7d53160..b309e42
--- a/requirements.txt
+++ b/requirements.txt
@@ -132,7 +132,7 @@ thinc==7.4.6
 threadpoolctl==3.1.0
 toml==0.10.2
 toolz==0.12.0
-tornado==6.2
+tornado==6.3.2
 tqdm==4.64.1
 traitlets==5.5.0
 typing_extensions==4.4.0