diff --git a/requirements.txt b/requirements.txt
index f32c843..d67758b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ requests==2.18.4
 six==1.11.0
 twilio==6.10.3
 tzlocal==1.5.1
-urllib3==1.22
+urllib3==1.24.2
 wcwidth==0.1.7
 Werkzeug==0.14.1
 WTForms==2.1