diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25c46e2..9f6fad2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [0.2.2] - 2020-05-17
+## [0.3.1] - 2020-05-17
 ### Changed
 - Fixed a bug in `UriAttachment` that was not allowing the mime to be `null`.