diff --git a/CHANGELOG.md b/CHANGELOG.md
index b5fe7eb9..01e1500e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-# Unreleased
+# 1.4.0
 
 - A `source` concept is used to coordinate the creation, consumption and reuse of
   partition keys.