diff --git a/CHANGES b/CHANGES
index 9ce12b924..0a465a5f2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -29,6 +29,8 @@ Bugs fixed
 
 * #9866: autodoc: doccomment for the imported class was ignored
 * #9883: autodoc: doccomment for the alias to mocked object was ignored
+* #9908: autodoc: debug message is shown on building document using NewTypes
+  with Python 3.10
 * #9878: mathjax: MathJax configuration is placed after loading MathJax itself
 * #9857: Generated RFC links use outdated base url