diff --git a/CHANGELOG.md b/CHANGELOG.md
index 55bbc10..facd571 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
-Version 4.0.3-dev
+Version 4.0.4-dev
 -----------------
 
+Nothing yet.
+
+Version 4.0.3 (2018-07-15)
+--------------------------
+
 ### Fixed
 
 * Fixed possible undefined offset notice in formatting-preserving printer. (#513)