diff --git a/requirements.txt b/requirements.txt
index b884bc1..1fa912d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,5 +8,5 @@ mypy-extensions==0.4.3
 psycopg2==2.8.6
 requests==2.25.0
 SQLAlchemy==1.4.23
-waitress==1.4.3
+waitress==2.1.2
 pytest==5.4.1