diff --git a/requirements.txt b/requirements.txt
index 1e991be..9e182d4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ jinja2==3.0.0
     # via flask
 markupsafe==2.0.0
     # via jinja2
-waitress==2.0.0
+waitress==2.1.0
     # via -r requirements.in
 werkzeug==2.0.0
     # via flask