diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0faf1e..aeb49d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Added
 
 * `if_key_exists` parameter
+* `known_hosts: unnecessary`
 
 ## [2.2.0] - 2021-02-27