diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dea064b8cdd6ed863444c2763a6d1b60fbbf311..41fe048e73021b83efc5dc8f4bcb5c77a190e88e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## 1.15.1 - 2020-07-31
+## Changed
+- Classroom_count final result is now rounded to 2 decimals intead of using ceil
+
 ## 1.15.0 - 2020-07-16
 ## Added
 - Route location