diff --git a/requirements.txt b/requirements.txt
index 9e57ba4..ed51c8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -40,7 +40,7 @@ reportlab==3.4.0
 requests==2.19.1
 six==1.11.0
 twilio==6.14.7
-urllib3==1.23
+urllib3==1.26.5
 virtualenv==15.1.0
 webencodings==0.5.1
 whitenoise==4.1.2