diff --git a/requirements.txt b/requirements.txt
index 50cf7f5..1c27098 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 Werkzeug==0.14.1
-Flask==0.12.4
+Flask==2.2.1
 mongoengine==0.16.3
 flask-mongoengine==0.9.5
 thriftpy==0.3.9