diff --git a/gunicorn/workers/geventlet.py b/gunicorn/workers/geventlet.py
index 4daf6d1c..e8086746 100644
--- a/gunicorn/workers/geventlet.py
+++ b/gunicorn/workers/geventlet.py
@@ -11,7 +11,7 @@ try:
 except ImportError:
     raise RuntimeError("eventlet worker requires eventlet 0.24.1 or higher")
 else:
-    from pkg_resources import parse_version
+    from packaging.version import parse as parse_version
     if parse_version(eventlet.__version__) < parse_version('0.24.1'):
         raise RuntimeError("eventlet worker requires eventlet 0.24.1 or higher")
 
diff --git a/gunicorn/workers/ggevent.py b/gunicorn/workers/ggevent.py
index 0a844db3..fa38fdbd 100644
--- a/gunicorn/workers/ggevent.py
+++ b/gunicorn/workers/ggevent.py
@@ -14,7 +14,7 @@ try:
 except ImportError:
     raise RuntimeError("gevent worker requires gevent 1.4 or higher")
 else:
-    from pkg_resources import parse_version
+    from packaging.version import parse as parse_version
     if parse_version(gevent.__version__) < parse_version('1.4'):
         raise RuntimeError("gevent worker requires gevent 1.4 or higher")
 
diff --git a/setup.py b/setup.py
index bfe5e45d..f2fd73c4 100644
--- a/setup.py
+++ b/setup.py
@@ -75,6 +75,7 @@ install_requires = [
     # is the first version to support Python 3.4 which we require as a
     # floor.
     'setuptools>=3.0',
+    'packaging',
 ]
 
 extras_require = {