Changelog.md

 This page is used to log service changes.
 
+## 22 June 2022
+* Upgraded to GitLab 15.0.3. See the 
+[Gitlab 15.0 release announcement](https://about.gitlab.com/releases/2022/05/22/gitlab-15-0-released/) for information on this update.
+
 ## 9 June 2022
 * Upgraded to GitLab 14.10.4. See the 
 [Gitlab 14.10.4 security release announcement](https://about.gitlab.com/releases/2022/06/01/critical-security-release-gitlab-15-0-1-released/) for information on this security update.