diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05ddf3a40aeb84685e5f97f409d3abbc2d35adb4..6dcbe6a513950e32b1e3c53691a4c9712136806b 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/).
 
+## 1.3.1 - 2018-06-19
+### Changed
+- Fixed bug with Federal District and missing cities in classroom count
+
 ## 1.3.0 - 2018-06-18
 ### Added
 - Daily charge amount route