diff --git a/CHANGELOG.md b/CHANGELOG.md
index b1a4586..4588e79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
+The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.1.1/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]