diff --git a/requirements.txt b/requirements.txt
index 7a533ec..c715ae5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ async-timeout==3.0.1
 chardet==2.3.0
 click==6.7
 Cython==0.29.13
-Flask==0.12.1
+Flask==1.0
 Flask-Cors==3.0.2
 future==0.16.0
 itsdangerous==0.24