diff --git a/CHANGELOG.md b/CHANGELOG.md
index 624deaf..e988b45 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@ All notable changes to this project will be documented in this file.
 
 ##### Fixed
 - Important bug with id_token when using implicit flow.
+- Validate Code expiration in Auth Code Flow.
 
 ### [0.0.3] - 2015-04-15