diff --git a/requirements.dev.txt b/requirements.dev.txt
index b4b826176..1a9bda0bf 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -32,7 +32,7 @@ sphinxcontrib-serializinghtml==1.1.5 # via sphinx
 tox==3.23.0
 typing==3.7.4.3             # via sphinx
 virtualenv==20.4.2        # via tox
-waitress==1.4.3           # via webtest
+waitress==3.0.1           # via webtest
 webob==1.8.5              # via webtest
 webtest==2.0.33           # via flask-webtest
 --editable .