diff --git a/perf/locust-tasks/requirements.txt b/perf/locust-tasks/requirements.txt
index 00c869c..5f59031 100644
--- a/perf/locust-tasks/requirements.txt
+++ b/perf/locust-tasks/requirements.txt
@@ -15,4 +15,4 @@ pyzmq==18.0.1
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.1
-Werkzeug==0.15.1
+Werkzeug==0.15.3