diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb6ca90ea..975bbe398 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ### Fixed
 - Fixed spec compliance issue  where device access token request was mistakenly expecting to receive scopes in the request (PR #1412)
+- Refresh tokens pre version 9 might have had user IDs set as ints which meant they were incorrectly rejected. We now cast these values to strings to allow old refresh tokens (PR #1436)
 
 ## [9.0.1] - released 2024-10-14
 ### Fixed