diff --git a/CHANGELOG.md b/CHANGELOG.md
index e1323f66..ddcd4860 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com)
 and this project adheres to [Semantic Versioning](https://semver.org).
 
+## [Unreleased]
+
 ## [1.5.1] - 2018-11-20
 
 ### Security