diff --git a/src/loadgenerator/requirements.txt b/src/loadgenerator/requirements.txt
index 7cd1fc22..cb4e9ef1 100644
--- a/src/loadgenerator/requirements.txt
+++ b/src/loadgenerator/requirements.txt
@@ -20,5 +20,5 @@ msgpack-python==0.5.6     # via locustio
 pyzmq==17.0.0             # via locustio
 requests==2.21.0          # via locustio
 six==1.12.0               # via geventhttpclient-wheels, locustio
-urllib3==1.24.2           # via requests
+urllib3==1.26.18           # via requests
 werkzeug==0.14.1          # via flask