diff --git a/tools/python_requirements.txt b/tools/python_requirements.txt
index ea96216a5..540524997 100644
--- a/tools/python_requirements.txt
+++ b/tools/python_requirements.txt
@@ -47,7 +47,7 @@ texttable==0.8.8
 thrift==0.10.0
 tornado==4.4.3
 torthrift==0.1.9
-urllib3==1.20
+urllib3==1.24.2
 virtualenv==15.1.0
 websocket-client==0.40.0
 wheel==0.29.0