Update CHANGELOG.md.

usualoma · usualoma · commit 01379d6466ef · 2022-06-20T15:53:10.000+09:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.1.1] - 2022-06-20
+
+### Fixed
+
+* Fixed an error with old docker-compose.
+
 ## [2.1.0] - 2022-06-18
 
 ### Added
