diff --git a/Network_C_server/Code/loadtests/requirements.txt b/Network_C_server/Code/loadtests/requirements.txt
index 2096311..347ea8e 100644
--- a/Network_C_server/Code/loadtests/requirements.txt
+++ b/Network_C_server/Code/loadtests/requirements.txt
@@ -14,4 +14,4 @@ pyzmq==17.1.2
 requests==2.21.0
 six==1.12.0
 urllib3==1.24.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3