bumped to version 11.0.3-beta.21
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index 87b7942..f48b48b 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -12,7 +12,7 @@
 source_link = "https://github.com/frappe/erpnext"
 
 develop_version = '12.x.x-develop'
-staging_version = '11.0.3-beta.20'
+staging_version = '11.0.3-beta.21'
 
 error_report_email = "support@erpnext.com"