CHANGELOG.md in mailersend-ruby-1.3.2 vs CHANGELOG.md in mailersend-ruby-1.4.0

@@ -1,6 +1,10 @@
 ## [Released]
 
+## [1.4.0] - 2023-01-17
+
+- Sender Identities
+
 ## [1.3.2] - 2022-11-22
 
 - Fixes add_tags method in MailerSend::Email class
 
 ## [1.3.1] - 2022-09-28