diff --git a/requirements.txt b/requirements.txt
index a87ae62..8307c2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Flask==0.8
+Flask>=0.9
 Flask-Login==0.1.3
 Flask-Mail>=0.7.3
 Flask-Principal>=0.3.3
diff --git a/setup.py b/setup.py
index cfead93..ea11896 100644
--- a/setup.py
+++ b/setup.py
@@ -34,10 +34,11 @@ setup(
     include_package_data=True,
     platforms='any',
     install_requires=[
-        'Flask>=0.8',
+        'Flask>=0.9',
         'Flask-Login>=0.1.3',
         'Flask-Mail>=0.7.3',
         'Flask-Principal>=0.3.3',
+        'Flask-Script==0.5.3',
         'Flask-WTF>=0.8',
         'itsdangerous>=0.17',
         'passlib>=1.6.1',