diff --git a/requirements.txt b/requirements.txt
index b349f14..45a5616 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -92,7 +92,7 @@ traitlets==4.3.2
 urllib3==1.26.5
 wcwidth==0.1.7
 webencodings==0.5.1
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 wgetter==0.7
 widgetsnbextension==3.1.0
 WTForms==2.1