diff --git a/requirements.txt b/requirements.txt
index 2e882b3..6b50f08 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,6 +10,6 @@ pyephem==3.7.5.3
 redis==2.9.1
 requests
 six==1.6.1
-waitress==0.8.8
+waitress==1.4.3
 #wsgiref
 xmltodict==0.8.7