diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -10,6 +10,7 @@ install_requires=['numpy>=1.9',
                   'fastcluster', 
                   'dedupe-hcluster',
                   'categorical-distance',
+                  'future',
                   'rlr',
                   'metafone',
                   'affinegap',
add future.. wow, how did I miss that