diff --git a/py/mnist/requirements.txt b/py/mnist/requirements.txt
index 043b8b8..5960173 100644
--- a/py/mnist/requirements.txt
+++ b/py/mnist/requirements.txt
@@ -1,3 +1,3 @@
 tensorflow==2.0.0b1
-tornado==6.0.3
+tornado==6.3.2
 matplotlib==3.1.0