diff --git a/pipenv/vendor/background.py b/pipenv/vendor/background.py
index fca0573a..acd90ffd 100644
--- a/pipenv/vendor/background.py
+++ b/pipenv/vendor/background.py
@@ -1,8 +1,13 @@
 #!/usr/bin/env python
 # -*- coding:utf-8 -*-
 
+import sys
 import multiprocessing
-import concurrent.futures
+
+if sys.version_info.major < 3:
+    import concurrent3.futures as concurrent
+else:
+    import concurrent27.futures as concurrent
 
 
 def default_n():