diff --git a/setup.py b/setup.py
index 930b266e66b..e36662b16cc 100755
--- a/setup.py
+++ b/setup.py
@@ -164,6 +164,7 @@ setup(name             = name,
           'pyyaml',
           'pywebdav',
           'feedparser',
+          'simplejson >= 2.0',
       ],
       extras_require = {
           'SSL' : ['pyopenssl'],