diff --git a/Base/needed.xml b/Base/needed.xml
index 6a3f259..9346090 100644
--- a/Base/needed.xml
+++ b/Base/needed.xml
@@ -5,6 +5,7 @@
 
 	 <Package name="python"/>
 	 <Package name="python-netaddr"/>
+	 <Package name="python-pyparsing"/>
 	 <Package name="udev"/>
 
     <!-- fichier de preferences pour darcs -->