diff --git a/setup.py b/setup.py
index 0104ab7..12567dc 100644
--- a/setup.py
+++ b/setup.py
@@ -47,7 +47,7 @@ setup(
     download_url="http://code.0x2620.org/python-ox/download",
     license="GPLv3",
     packages=['ox', 'ox.django', 'ox.django.api', 'ox.torrent', 'ox.web'],
-    install_requires=['six', 'chardet', 'feedparser'],
+    install_requires=['six>=1.5.2', 'chardet', 'feedparser'],
     keywords = [
     ],
     classifiers = [