diff --git a/CHANGES.rst b/CHANGES.rst
index d8a5e89..d7d465c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 1.4.0 [unreleased]
+--------------------------
+
+Work in progress.
+
 Version 1.3.0 [2026-09-01]
 --------------------------