diff --git a/requirements.txt b/requirements.txt
index a145e6e..0793902 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 cffi==1.14.0
 click==7.1.2
 cryptography==2.9.2
-Flask==1.1.2
+Flask==2.3.2
 gevent==20.6.2
 greenlet==0.4.16
 gunicorn==20.0.4