Patch by JT Riley, Bug #437912
diff --git a/setup.py b/setup.py
index 241b7ce..3c52c68 100644
--- a/setup.py
+++ b/setup.py
@@ -12,9 +12,9 @@ try:
     console_scripts = ['starcluster = starcluster.cli:main']
     extra = dict(test_suite="starcluster.tests",
                  tests_require="nose",
-                 install_requires=["ssh==1.7.13", "boto==2.3.0",
-                                   "workerpool==0.9.2", "Jinja2==2.6",
-                                   "decorator==3.3.1", "pyasn1==0.0.13b"],
+                 install_requires=["ssh>=1.7.13", "boto>=2.3.0",
+                                   "workerpool>=0.9.2", "Jinja2>=2.6",
+                                   "decorator>=3.3.1", "pyasn1>=0.0.13b"],
                  include_package_data=True,
                  entry_points=dict(console_scripts=console_scripts),
                  zip_safe=False)