diff --git a/pyapi/addins-api/requirements-test.txt b/pyapi/addins-api/requirements-test.txt
index 2ebb513..f4dd8bc 100644
--- a/pyapi/addins-api/requirements-test.txt
+++ b/pyapi/addins-api/requirements-test.txt
@@ -11,5 +11,5 @@ PyYAML==3.11
 responses==0.4.0
 tissue==0.9.2
 tox==2.1.1
-waitress==0.8.9
+waitress==1.4.1
 webtest==2.0.18