diff --git a/api/requirements.txt b/api/requirements.txt
index 63e97b8..c7ef99a 100644
--- a/api/requirements.txt
+++ b/api/requirements.txt
@@ -24,4 +24,4 @@ six==1.11.0
 tensorflow==1.4.1
 tensorflow-tensorboard==0.4.0rc3
 urllib3==1.22
-Werkzeug==0.13
+Werkzeug==0.15.3