diff --git a/requirements.txt b/requirements.txt
index 83bac24..212e797 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ Pint==0.7.2
 argparse==1.2.1
 lxml==3.6.4
 pdfminer.six
-Flask==0.11.1
+Flask==1.0
 Flask-Restless==0.17.0
 Flask-SQLAlchemy==2.1
 pytest==3.0.3
diff --git a/setup.py b/setup.py
index b92a703..b14be92 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ def read(*filenames, **kwargs):
         'lxml>=3.6.4',
         'SQLAlchemy==1.0.15',
         'pdfminer.six',
-        'Flask==0.11.1',
+        'Flask==1.0',
         'Flask-Restless==0.17.0',
         'Flask-SQLAlchemy==2.1',
         'six',