diff --git a/requirements.txt b/requirements.txt
index 677ebd4..78a92c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ flask-assets==2.0
 flask-login==0.5.0
 flask-sqlalchemy==2.4.4; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.4.0")
 flask-wtf==1.0.0
-flask==1.1.2; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
+flask==2.0.0; (python_version >= "2.7" and python_full_version < "3.0.0") or (python_full_version >= "3.5.0")
 idna==2.10; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.4.0"
 intervaltree==3.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"
 itsdangerous==1.1.0; python_version >= "2.7" and python_full_version < "3.0.0" or python_full_version >= "3.5.0"