diff --git a/Day61-65/code/hello-tornado/requirements.txt b/Day61-65/code/hello-tornado/requirements.txt
index 619660c5f..27ba093b5 100644
--- a/Day61-65/code/hello-tornado/requirements.txt
+++ b/Day61-65/code/hello-tornado/requirements.txt
@@ -1,4 +1,4 @@
-aiohttp==3.5.4
+aiohttp==3.7.4
 aiomysql==0.0.20
 asn1crypto==0.24.0
 async-timeout==3.0.1