diff --git a/requirements.txt b/requirements.txt
index b456bc1..6644f13 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -59,7 +59,7 @@ testresources==2.0.1
 uritemplate==4.1.1
 urllib3==1.26.8
 URLObject==2.4.3
-Werkzeug==2.0.2
+Werkzeug==2.2.3
 WTForms==3.0.1
 pycurl==7.43.0.2
 icalendar==4.0.9