diff --git a/requirements_travis.txt b/requirements_travis.txt
index 999a120..d5a5caa 100644
--- a/requirements_travis.txt
+++ b/requirements_travis.txt
@@ -30,7 +30,7 @@ rsa==3.1.4
 selenium==2.45.0
 translationstring==1.3
 venusian==1.0
-waitress==0.8.9
+waitress==1.4.2
 WebOb==1.4
 WebTest==2.0.18
 zope.deprecation==4.1.2