diff --git a/requirements.txt b/requirements.txt
index 43482b2a0..2b87a2034 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 werkzeug==1.0.1
 setuptools==33.1.1
 wheel==0.33.6
-flask==1.0.2
+flask==2.0.3
 flask-session==0.3.2
 flask-helper==0.19
 cache==1.0.3