diff --git a/requirements.txt b/requirements.txt
index 175e6d8ee..182b74425 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2021.5.30
 babel==2.9.1
 flask-babel==2.0.0
-flask==1.1.2
+flask==2.0.1
 jinja2==3.0.1
 lxml==4.6.3
 pygments==2.9.0