diff --git a/requirements.txt b/requirements.txt
index 2c582c4..3bed7ed 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-limnoria>2012.08.04 # Needs MultipleReplacer, from 1a64f105
-psutil>3.1.0 # Fixes #640
+limnoria > 2012.08.04 # Needs MultipleReplacer, from 1a64f105
+psutil >= 3.1.0 # Fixes #640
diff --git a/setup.py b/setup.py
index d9e692b..dffe557 100755
--- a/setup.py
+++ b/setup.py
@@ -9,6 +9,9 @@ if sys.version_info < (3, 4, 0):
     sys.stderr.write(os.linesep)
     sys.exit(-1)
 
+with open(os.path.join(os.path.dirname(__file__), 'requirements.txt')) as fd:
+    requirements = [x.split('#')[0].strip().replace(' >', ' (>')+')'
+                    for x in fd.readlines()]
 
 setup(
     name='irctest',
@@ -45,6 +48,7 @@ setup(
             'irctest.irc_utils',
             'irctest.server_tests',
             ],
+    requires=requirements,
     )
 
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79: