diff --git a/xarg/attribute.py b/xarg/attribute.py
index 658080d..ac15a36 100644
--- a/xarg/attribute.py
+++ b/xarg/attribute.py
@@ -3,7 +3,7 @@
 from urllib.parse import urljoin
 
 __project__ = "xarg-python"
-__version__ = "1.4.4"
+__version__ = "1.5"
 __description__ = "Simple command-line tool based on argparse."
 __url_home__ = "https://github.com/bondbox/xarg-python/"
 __url_code__ = __url_home__