diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6e9487..353c969 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ 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]
+### Fixed
+- Fixes a race condition in the file cache service (see #420)
 
 ## [0.1.0]
 ### Added