diff --git a/requirements.txt b/requirements.txt
index 4045b0a..2e4c18e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ waitress==1.1.0
 wcwidth==0.1.7
 eth-account==0.2.2
 web3==4.2.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 apns2==0.4.0
 envkey==1.1.0
 pyfcm==1.4.5