diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d1e7fad95..d7bcfc6394 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
-## [v0.6.0-alpha.3] - 2021-05-27
+## [v0.6.0-alpha.4] - 2021-05-27
 
 ### Fixed
 
@@ -13,6 +13,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Default paths for monotonics now work properly
 - New `embedded-time` version to `0.11`
 
+## [v0.6.0-alpha.3] - 2021-0X-XX
+
+- Lost in the ether...
+
 ## [v0.6.0-alpha.2] - 2021-04-08
 
 ### Added