--- a/setup.py
+++ b/setup.py
@@ -1,12 +1,13 @@
 # Distutils script for python-xlib
 
-from pkg_resources import parse_requirements
+from packaging.requirements import Requirement
 from setuptools import (__version__ as setuptools_version, setup)
 
 
 # Check setuptools is recent enough to support `setup.cfg`.
-setuptools_require = next(parse_requirements('setuptools>=30.3.0'))
-assert setuptools_version in setuptools_require, '{} is required'.format(setuptools_require)
+setuptools_require = Requirement('setuptools>=30.3.0')
+assert setuptools_require.specifier.contains(setuptools_version), \
+    '{} is required (found {})'.format(setuptools_require, setuptools_version)
 
 
 setup(