diff --git a/requirements.txt b/requirements.txt
index 4fa0fc4..7d74e1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,6 +25,6 @@ requests==2.18.4
 singledispatch==3.4.0.3
 six==1.11.0
 twilio==6.10.2
-urllib3==1.22
+urllib3==1.26.5
 virtualenv==15.2.0
 wrapt==1.10.11