diff --git a/requirements.txt b/requirements.txt
index 9d21a8e7aa..f1895df832 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ pyzmq==14.4.1
 retrying==1.3.3
 beautifulsoup4==4.3.2
 iso8601==0.1.11
-waitress==0.8.10
+waitress==2.1.1
 nose==1.3.7
 WebTest==2.0.20
 coverage==4.0.3