diff --git a/CHANGELOG.md b/CHANGELOG.md
index e18821d9..4937d6bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@ Change-log
 ==========
 **v0.0.5** @ 2013-11-22
 
+- more memory-efficient RadialRuin (see #53)
 
 
 **v0.0.4** @ 2013-10-17