diff --git a/.travis.yml b/.travis.yml
index e3f9cf9..3d3b769 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: python
 python:
+  - "2.6"
   - "2.7"
   - "3.4"
 # command to install dependencies
diff --git a/sift/client.py b/sift/client.py
index 2a6c354..fd36f6b 100644
--- a/sift/client.py
+++ b/sift/client.py
@@ -7,7 +7,8 @@
 import requests
 import traceback
 import sys
-if sys.version_info.major < 3:
+# Use index instead of keyword argument to support Python 2.6
+if sys.version_info[0] < 3:
   import urllib
 else:
   import urllib.parse as urllib
diff --git a/tests/client_test.py b/tests/client_test.py
index 5c1762d..67012a8 100644
--- a/tests/client_test.py
+++ b/tests/client_test.py
@@ -5,7 +5,7 @@
 import unittest
 import sys
 import requests.exceptions
-if sys.version_info.major < 3:
+if sys.version_info[0] < 3:
   import urllib
 else:
   import urllib.parse as urllib