diff --git a/CHANGES b/CHANGES
index 707e8c97335..4cb10f8a57e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -20,6 +20,7 @@ Bugs fixed
   ``autodoc_typehints="description"``
 * #9648: autodoc: ``*args`` and ``**kwargs`` entries are duplicated when
   ``autodoc_typehints="description"``
+* #10443: epub: EPUB builder can't detect the mimetype of .webp file
 * #10456: py domain: ``:meta:`` fields are displayed if docstring contains two
   or more meta-field