diff --git a/pyapi/addins-api/doc/requirements/common.txt b/pyapi/addins-api/doc/requirements/common.txt
index 984970c..2ca3ba1 100644
--- a/pyapi/addins-api/doc/requirements/common.txt
+++ b/pyapi/addins-api/doc/requirements/common.txt
@@ -5,4 +5,4 @@
 pyramid==1.6a1
 python-keystoneclient==1.6.0
 python-swiftclient==2.4.0
-waitress==0.8.9
+waitress==2.1.1