diff --git a/requirements.txt b/requirements.txt
index a35f9a85..3a97d2fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ bokeh==1.0.4
 boto3==1.9.86
 psycopg2==2.7.3.2
 SQLAlchemy==1.2.17
-Flask==0.12.4
+Flask==1.0.2
 Flask-Cors==3.0.3
 gensim==3.7.1
 lxml==4.3.0