diff --git a/openstack_requirements/tests/files/upper-constraints.txt b/openstack_requirements/tests/files/upper-constraints.txt
index 337ffa739..8908b5703 100644
--- a/openstack_requirements/tests/files/upper-constraints.txt
+++ b/openstack_requirements/tests/files/upper-constraints.txt
@@ -50,7 +50,7 @@ XStatic-Font-Awesome===4.7.0.0
 nose===1.3.7
 click-spinner===0.1.7
 nosehtmloutput===0.0.5
-waitress===1.0.2
+waitress===2.1.1
 os-refresh-config===6.0.0
 jsbeautifier===1.6.11;python_version=='3.4'
 jsbeautifier===1.6.11;python_version=='3.5'