diff --git a/admin/unidata/README b/admin/unidata/README
index 4b8444b0fe..d56677f90c 100644
--- a/admin/unidata/README
+++ b/admin/unidata/README
@@ -48,3 +48,8 @@ https://www.unicode.org/Public/emoji/14.0/emoji-sequences.txt
 emoji-test.txt
 https://unicode.org/Public/emoji/14.0/emoji-test.txt
 2021-10-28
+
+Unihan.zip
+https://www.unicode.org/Public/UCD/latest/ucd/Unihan.zip
+2022-01-05
+