diff --git a/src/loadgenerator/requirements.txt b/src/loadgenerator/requirements.txt
index ac69aca..43d0a16 100644
--- a/src/loadgenerator/requirements.txt
+++ b/src/loadgenerator/requirements.txt
@@ -20,4 +20,4 @@ pyzmq==17.0.0             # via locustio
 requests==2.21.0          # via locustio
 six==1.12.0               # via locustio
 urllib3==1.24.1           # via requests
-werkzeug==0.14.1          # via flask
+werkzeug==0.15.3          # via flask