diff --git a/requirements.txt b/requirements.txt
index d83d898..5bb1ead 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ aniso8601==3.0.0
 astor==0.6.2
 bleach==1.5.0
 click==6.7
-Flask==1.0.2
+Flask==2.3.2
 flask-restplus==0.10.1
 gast==0.2.0
 grpcio==1.13.0