diff --git a/CHANGES.rst b/CHANGES.rst
index 5123af44a5..1393c2588b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,10 @@
+Version 2.3.1
+-------------
+
+Unreleased
+
+-   Fix importing Markup from flask. :pr:`5085`
+
 Version 2.3.0
 -------------