diff --git a/requirements.txt b/requirements.txt
index ce354b1..f68a963 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,6 +9,6 @@ pyephem==3.7.5.3
 redis==2.9.1
 requests
 six==1.6.1
-waitress==0.8.8
+waitress==2.1.2
 #wsgiref
 xmltodict==0.8.7