diff --git a/requirements.txt b/requirements.txt
index 4b1a3d5..ce4198a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,5 +15,5 @@ scikit-learn==0.20.3
 scipy==1.2.1
 Unidecode==1.0.23
 redis==2.10.6
-Werkzeug==0.11.15
+Werkzeug==0.15.3
 xmltodict==0.12.0