diff --git a/requirements/prod.txt b/requirements/prod.txt
index 6f5cbf3..f4d9cc8 100644
--- a/requirements/prod.txt
+++ b/requirements/prod.txt
@@ -1,2 +1,2 @@
 about_time
-grapheme
+graphemeu
diff --git a/setup.py b/setup.py
index cedd35f..6d70274 100644
--- a/setup.py
+++ b/setup.py
@@ -59,5 +59,5 @@ def get_readme():
     packages=find_packages(exclude=['tests*']),
     data_files=[('', ['LICENSE'])],
     python_requires='>=3.9, <4',
-    install_requires=['about_time==4.2.1', 'grapheme==0.6.0'],
+    install_requires=['about_time==4.2.1', 'graphemeu'],
 )