diff --git a/CHANGELOG.md b/CHANGELOG.md
index 536453dbf..923593c62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+- Upgraded `countries-and-timezones` from version `3.8.0` to `3.9.0`
 - Upgraded `stripe` from version `20.4.1` to `21.0.1`
 
 ## 3.1.0 - 2026-04-29