Changelog.md

 This page is used to log service changes.
 
-## 11 November 2022
+## 3 November 2022
+
+* Upgraded to GitLab 15.5.2. See the [Gitlab 15.5.2 security release announcement](https://about.gitlab.com/releases/2022/11/02/security-release-gitlab-15-5-2-released/) for information on this update.
+
+## 2 November 2022
 
 * Upgraded to GitLab 15.5.1. See the [Gitlab 15.5.1 release announcement](https://about.gitlab.com/releases/2022/10/24/gitlab-15-5-1-released/) for information on this update.