diff --git a/requirements.txt b/requirements.txt
index 5455728..97ff0cd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,6 @@ distribute==0.6.15
 wsgiref==0.1.2
 decorator==3.3.2
 omnijson==0.1.2
-gunicorn==0.12.2
-gevent
\ No newline at end of file
+gunicorn==0.13.4
+gevent==0.13.6
+greenlet==0.3.1
\ No newline at end of file