diff --git a/CHANGELOG.md b/CHANGELOG.md
index 417a408..15553a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-4.2.0 / 2019-01-04
+4.2.1 / 2019-01-04
 ==================
 
   * Feature - Support `oneOf` at `merge.smart`. #111