diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9950f63..eb77b14 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 We refer to [GitHub issues](https://github.com/adr/adr-log/issues) by using `#NUM`.
 
+## [unreleased]
+
 ## [2.1.2] – 2019-10-27
 
 ### Fixed