diff --git a/go-ethereum/arbmonmon/requirements.txt b/go-ethereum/arbmonmon/requirements.txt
index 1c5a400..b33eb46 100644
--- a/go-ethereum/arbmonmon/requirements.txt
+++ b/go-ethereum/arbmonmon/requirements.txt
@@ -33,4 +33,4 @@ ufw==0.35
 unattended-upgrades==0.1
 urllib3==1.13.1
 waitress==1.1.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3