diff --git a/setup.py b/setup.py
index fd83cd51a..00397a107 100644
--- a/setup.py
+++ b/setup.py
@@ -19,8 +19,8 @@
     author_email='nick.satterly@theguardian.com',
     packages=setuptools.find_packages(exclude=['bin', 'tests']),
     install_requires=[
-        'Flask',
-        'Flask-Cors',
+        'Flask==0.10.1',
+        'Flask-Cors==2.1.3',
         'pymongo>=3.0',
         'argparse',
         'requests',