diff --git a/CHANGES b/CHANGES
index 9048764..4ce6b16 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,12 @@
 pint-pandas Changelog
 =====================
 
+0.6 (unreleased)
+----------------
+
+- Nothing changed yet.
+
+
 0.5 (2023-09-07)
 ----------------