diff --git a/dev-requirements.txt b/dev-requirements.txt
index e09d46b..45b0284 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -42,7 +42,7 @@ six==1.16.0
     # via python-dateutil
 soupsieve==2.5
     # via beautifulsoup4
-waitress==2.1.2
+waitress==3.0.1
     # via webtest
 webob==1.8.7
     # via