CHANGELOG.md in dns_mock-1.2.2 vs CHANGELOG.md in dns_mock-1.2.3

@@ -1,8 +1,15 @@
 # Changelog
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.3] - 2021-05-11
+
+### Changed
+
+- Updated gem development dependencies
+- Updated CircleCI config
+
 ## [1.2.2] - 2021-05-06
 
 ### Changed
 
 - Updated gem development dependencies