diff --git a/IPython/html/fabfile.py b/IPython/html/fabfile.py
index 2583d8d..9283b8e 100644
--- a/IPython/html/fabfile.py
+++ b/IPython/html/fabfile.py
@@ -12,7 +12,7 @@ components_dir = pjoin(static_dir, 'components')
 here = os.path.dirname(__file__)
 
 min_less_version = '1.7.0'
-max_less_version = '1.8.0' # exclusive
+max_less_version = '1.7.5' # exclusive
 
 def _need_css_update():
     """Does less need to run?"""