diff --git a/setup.cfg b/setup.cfg
index 3928d02e..f8303dc5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -29,7 +29,7 @@ python_requires = >=3.6
 install_requires =
   coloredlogs; sys_platform == 'win32'
   distlib
-  EmPy<4
+  EmPy
   importlib-metadata; python_version < "3.8"
   packaging
   # the pytest dependency and its extensions are provided for convenience