diff --git a/CHANGELOG.md b/CHANGELOG.md
index f3efe0b..463498e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+v0.4.2
+------
+
+- Fix for `null` as an argument.
+
 v0.4.1
 ------