diff --git a/components/radicale/requirements.txt b/components/radicale/requirements.txt
index cf32d8e2..624459d3 100644
--- a/components/radicale/requirements.txt
+++ b/components/radicale/requirements.txt
@@ -5,4 +5,4 @@ python-dateutil == 2.8.2
 six == 1.16.0
 vobject == 0.9.6.1
 
-waitress == 2.0.0
+waitress == 2.1.0