diff --git a/CHANGELOG.md b/CHANGELOG.md
index c8c746a74d..237040c5eb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ FEATURES:
 
  * Ability to configure minimum session TTL. [GH-821]
 
+IMPROVEMENTS:
+
+ * Raft uses BoltDB as the backend store. [GH-857]
+
 ## 0.5.0 (Febuary 19, 2015)
 
 FEATURES: