diff --git a/setup.py b/setup.py
index d5bd49c6d..619bb0409 100755
--- a/setup.py
+++ b/setup.py
@@ -110,8 +110,7 @@ extras_require = {
     # of the Unicode Character Database instead of the built-in unicodedata
     # which varies between python versions and may be outdated.
     "unicode": [
-        # Python 3.12 will have Unicode 15.0, so the backport is not needed.
-        ("unicodedata2 >= 15.0.0; python_version <= '3.11'"),
+        ("unicodedata2 >= 15.1.0; python_version <= '3.12'"),
     ],
     # for graphite type tables in ttLib/tables (Silf, Glat, Gloc)
     "graphite": ["lz4 >= 1.7.4.2"],