diff --git a/dev-requirements.txt b/dev-requirements.txt
index 9da31ba..4e6e6ce 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -19,4 +19,4 @@ pytest==5.3.1
 pytz==2019.3
 six==1.13.0
 wcwidth==0.1.7
-Werkzeug==0.16.0
+Werkzeug==2.2.3