diff --git a/INSTALL b/INSTALL
index 00d66872..1d127400 100644
--- a/INSTALL
+++ b/INSTALL
@@ -62,6 +62,12 @@ Then, please install the following packages before installing Weboob:
 * python-simplejson
 * python-yaml
 
+Optional:
+* python-gtk
+* python-webkit
+* python-imaging
+* python-webob
+
 
 Bash completion
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