diff --git a/saharaclient/tests/unit/test_job_binaries.py b/saharaclient/tests/unit/test_job_binaries.py
index fceb0ca9..e2c1fa43 100644
--- a/saharaclient/tests/unit/test_job_binaries.py
+++ b/saharaclient/tests/unit/test_job_binaries.py
@@ -77,4 +77,4 @@ class JobBinaryTest(base.BaseTestCase):
         resp = self.client.job_binaries.get_file('id')
 
         self.assertEqual(url, self.responses.last_request.url)
-        self.assertEqual('data', resp)
+        self.assertEqual(b'data', resp)
diff --git a/setup.cfg b/setup.cfg
index ef980af8..eeea8527 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -17,6 +17,9 @@ classifier =
     Programming Language :: Python :: 2
     Programming Language :: Python :: 2.7
     Programming Language :: Python :: 2.6
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.3
+    Programming Language :: Python :: 3.4
 
 [global]
 setup-hooks = pbr.hooks.setup_hook