diff --git a/requirements.txt b/requirements.txt
index 2b88733..f46e9ee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
 psycopg2==2.6.1
-tablib==0.10.0
+py==1.4.31
+pytest==2.8.7
+tablib==0.11.0
\ No newline at end of file