v1.3.1 changelog

Scott Hardy · Scott Hardy · commit 7834770a621c · 2021-03-14T14:30:28.000-04:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,7 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [unreleased]
+## [Unreleased]
+
+## [v1.3.1] - 2021-03-14
 
 ## Added
 
