diff --git a/setup.py b/setup.py
index a1f749d..11bef54 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,11 @@
 import sys
 from setuptools import setup, find_packages
+from setuptools.command.install import install
 import os
 
+
+SETUP_DIR = os.path.dirname(os.path.abspath(__file__))
+
 # Must keep these two versions in sync.
 # from pmr2 import wfctrl
 # version = wfctrl.__version__
@@ -13,6 +17,16 @@
     open(os.path.join('docs', 'CHANGES.rst')).read()
     + '\n')
 
+
+class InstallCommand(install):
+
+    def run(self):
+        install.run(self)
+        # Automatically install requirements from requirements.txt
+        import subprocess
+        subprocess.call(['pip', 'install', '-r', os.path.join(SETUP_DIR, 'requirements.txt')])
+
+
 setup(name='pmr2.wfctrl',
       version=version,
       description="Workflow controller",
@@ -22,6 +36,7 @@
       classifiers=[
         "Programming Language :: Python",
         ],
+      cmdclass={'install': InstallCommand,},
       keywords='',
       author='',
       author_email='',