diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index a697f36..829dd73
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@
         # also loosened to use the debian package
         'gevent >=1.0',
         'gevent-websocket==0.9.3',
-        'flask==0.12.4',
+        'flask==1.0',
         'websocket-client==0.12.0',
         'python-dateutil',
         'pytz'