Add the new functionality to the CHANGELOG.
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index ed0fa3b..0d59e4e 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,9 @@
+v4.25.0
+=======
+
+* Add support for the ``iri`` and ``iri-reference`` formats to the ``format-nongpl`` extra via the MIT-licensed ``rfc3987-syntax``.
+  They were alread supported by the ``format`` extra. (#1388).
+
 v4.24.1
 =======