diff --git a/requirements.txt b/requirements.txt
index d07a09bd..e9f2863f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ idna==2.5
 protobuf==3.5.1
 requests==2.17.3
 six==1.10.0
-urllib3==1.21.1
+urllib3==1.24.1