diff --git a/Day61-65/code/project_of_tornado/requirements.txt b/Day61-65/code/project_of_tornado/requirements.txt
index c2cf07d1ea..9fa45b2951 100644
--- a/Day61-65/code/project_of_tornado/requirements.txt
+++ b/Day61-65/code/project_of_tornado/requirements.txt
@@ -5,4 +5,4 @@ cryptography==2.6.1
 pycparser==2.19
 PyMySQL==0.9.2
 six==1.12.0
-tornado==5.1.1
+tornado==6.3.2