diff --git a/requirements.txt b/requirements.txt
index 311aaea0..b1214cc4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,3 +37,4 @@ Werkzeug==0.11.11
 XlsxWriter==0.9.3
 xlwt==1.3.*
 xlrd==1.0.0
+unittest2==1.1.0