diff --git a/setup.py b/setup.py
index d58ed2c..362db58 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from StringIO import StringIO
+from six import StringIO
 from os.path import dirname, join
 import octodns