diff --git a/requirements.txt b/requirements.txt
index 195e60c..f33b51e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,6 +24,6 @@ six==1.11.0
 swagger-spec-validator==2.1.0
 urllib3==1.22
 validators==0.12.0
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wheel==0.24.0
 whois==0.7