diff --git a/CHANGES.rst b/CHANGES.rst
index 447ed35..54f0533 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,10 @@ Changelog
5.1 (unreleased)
----------------
+- Add "Copy to clipboard" button to the ZMI `Test` tab.
+ The button copies the rendered SQL output to the user's clipboard.
+ (`#53