diff --git a/ml_service/requirements.txt b/ml_service/requirements.txt
index 89131a4..b8217d1 100644
--- a/ml_service/requirements.txt
+++ b/ml_service/requirements.txt
@@ -24,5 +24,5 @@ scikit-learn==0.19.1
 scipy==1.0.0
 sklearn==0.0
 SQLAlchemy==1.2.2
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 yapf==0.20.1