diff --git a/requirements.txt b/requirements.txt
index 0fbb9ba..d21fde7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ thriftpy==0.3.1
 pyramid==1.5.7
 pyramid_chameleon==0.3
 pyramid_mako==1.0
-waitress==0.8.10
+waitress==1.4.0
 dogpile.cache==0.5.6
 pylibmc==1.5.0
 Babel==2.0