diff --git a/locust-tasks/requirements.txt b/locust-tasks/requirements.txt
index 67963ee..61b55db 100644
--- a/locust-tasks/requirements.txt
+++ b/locust-tasks/requirements.txt
@@ -15,5 +15,5 @@ pyzmq==18.0.1
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.2
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 pandas