diff --git a/requirements.txt b/requirements.txt
index a3a148f7..849e9fbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ dictdiffer==0.8.0
 docutils==0.16          # via botocore
 elasticsearch==6.3.1
 flask-restful==0.3.7
-flask==1.1.1
+flask==2.0.0
 future==0.18.2            # via hyperopt
 gevent==1.5.0
 greenlet==0.4.15          # via gevent