diff --git a/requirements.txt b/requirements.txt
index c849a394..10d1e01b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2021.10.8
 babel==2.9.1
 flask-babel==2.0.0
-flask==1.1.2
+flask==2.0.1
 jinja2==3.0.3
 lxml==4.7.1
 pygments==2.8.0