diff --git a/requirements.txt b/requirements.txt
index 5861e458e..aeb9b5a73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # extension 'brotlipy' on PyPy
 brotli==1.1.0; platform_python_implementation != "PyPy"
 brotlicffi==1.1.0.0; platform_python_implementation == "PyPy"
-unicodedata2==15.0.0; python_version <= '3.11'
+unicodedata2==15.1.0; python_version <= '3.11'
 scipy==1.10.0; platform_python_implementation != "PyPy" and python_version <= '3.8'
 scipy==1.11.3; platform_python_implementation != "PyPy" and python_version >= '3.9'
 munkres==1.1.4; platform_python_implementation == "PyPy"