diff --git a/requirements.txt b/requirements.txt
index 5592626d6..7ddd32fa6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@
 # extension 'brotlipy' on PyPy
 brotli==1.0.1; platform_python_implementation != "PyPy"
 brotlipy==0.7.0; platform_python_implementation == "PyPy"
-unicodedata2==10.0.0; python_version < '3.7' and platform_python_implementation != "PyPy"
+unicodedata2==11.0.0; python_version < '3.7' and platform_python_implementation != "PyPy"
 munkres==1.0.10
 zopfli==0.1.4