diff --git a/requirements.txt b/requirements.txt
index bb03274..b81fc5f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,6 +43,6 @@ spinach==0.0.14
 sqlparse==0.4.1
 tenacity==7.0.0
 urllib3==1.26.4
-waitress==2.0.0
+waitress==2.1.1
 webencodings==0.5.1
 whitenoise==5.2.0