diff --git a/docs/requirements.txt b/docs/requirements.txt
index 1c966f6..d9f9afc 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -94,7 +94,7 @@ tornado==6.4.1
     #   livereload
 urllib3==1.26.19
     # via requests
-waitress==2.1.2
+waitress==3.0.1
     # via webtest
 webob==1.8.8
     # via webtest