diff --git a/requirements.txt b/requirements.txt
index 853ea2f..a7ecec1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,5 +60,5 @@ toolz==0.9.0
 urllib3==1.23
 web3==4.7.1
 websockets==6.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11
\ No newline at end of file