diff --git a/locale/ca_ES.po b/locale/ca.po
similarity index 100%
rename from locale/ca_ES.po
rename to locale/ca.po
diff --git a/locale/es_ES.po b/locale/es.po
similarity index 100%
rename from locale/es_ES.po
rename to locale/es.po
diff --git a/tryton.cfg b/tryton.cfg
index 26a4ea1..0e1d9f0 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -1,5 +1,5 @@
 [tryton]
-version=4.1.0
+version=4.8.0
 depends:
     ir
     product_esale