diff --git a/setup.cfg b/setup.cfg
index 733f0cd..fa7cac0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,3 @@
 [metadata]
-description-file = README.md
-requirements-file = requirements.txt
+description_file = README.md
+requirements_file = requirements.txt
diff --git a/setup.py b/setup.py
index 07a1310..71aa61b 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
 	  setup_requires=['wheel'],
       install_requires=['aenum>=2.0.10', 'grpcio>=1.9.1', 'grpcio-tools>=1.9.1', 'ojai-python-api>=1.1',
                         'python-dateutil>=2.6.1', 'retrying>=1.3.3', 'future>=0.16.0'],
-      python_requires='>=2.7.*',
+      python_requires='~=2.7,~=3.0',
       long_description='A simple, lightweight library that provides access to MapR-DB.'
                        ' The client library supports all existing OJAI functionality'
                        ' and is absolutely compatible with Java OJAI connector,'