diff --git a/api_server/requirements.txt b/api_server/requirements.txt
index d2a0e31..f946dd6 100644
--- a/api_server/requirements.txt
+++ b/api_server/requirements.txt
@@ -32,4 +32,4 @@ tensorflow-estimator==1.13.0
 termcolor==1.1.0
 Theano==1.0.4
 uWSGI==2.0.18
-Werkzeug==0.15.4
+Werkzeug==0.15.5