diff --git a/requirements.txt b/requirements.txt
index 329d940..4c0b441 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ nose==1.0.0
 redis==2.7.6
 unittest2==0.5.1
 tox==1.4.2
+wheel==0.22.0