diff --git a/stack/erp5/buildout.cfg b/stack/erp5/buildout.cfg
index 9216000e6e7936cd93b7aa1f725b772ff04e01e4..d9ca28a358bb31895f2dbf137d427bd6cc153119 100644
--- a/stack/erp5/buildout.cfg
+++ b/stack/erp5/buildout.cfg
@@ -449,6 +449,7 @@ eggs =
   erp5.util
   huBarcode
   qrcode
+  spyne
 
 # Zope
   ZODB3