diff --git a/setup.py b/setup.py
index 7f2a82f..9622cb2 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ setup(
         ]
     },
     install_requires=[
-        'ox >= 2.3.804,<3',
+        'ox >= 3',
         'lxml',
     ],
     keywords=[],