diff --git a/setup.py b/setup.py
index 9dc5ba47e2b3026710fcd142e5cd4baee1cec535..035a0fae71111177bdc373cc6b506db382ba115f 100755
--- a/setup.py
+++ b/setup.py
@@ -125,6 +125,7 @@ def install_weboob():
     # Do not put PyQt, it does not work properly.
     requirements = [
         'lxml',
+        'cssselect',
         'feedparser',
         'requests>=2.0.0',
         'python-dateutil',