diff --git a/setup.py b/setup.py
index 042f06d..2048b3d 100644
--- a/setup.py
+++ b/setup.py
@@ -21,8 +21,9 @@ setup(name="mandaye",
       packages=find_packages(),
       package_data={},
       install_requires=[
-          'beaker>=1.5',
+          'beaker>=1.6',
           'gunicorn>=0.13',
+          'importlib',
           'mako>=0.3',
           'poster>=0.8',
           'pycrypto>=2.0',