diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8dae74b..5236ae6 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,6 @@
 lxml
 pytest
+pyquery
 pygal_maps_world
 pygal_maps_ch
 pygal_maps_fr