diff --git a/simptext/requirements.txt b/simptext/requirements.txt
index 8da5ca6..2fd4820 100644
--- a/simptext/requirements.txt
+++ b/simptext/requirements.txt
@@ -5,7 +5,7 @@ bz2file==0.98
 click==6.6
 Cython==0.24.1
 et-xmlfile==1.0.1
-Flask==0.11.1
+Flask==1.0
 Flask-Script==2.0.5
 Flask-SQLAlchemy==2.1
 Flask-WTF==0.12