diff --git a/requirements.txt b/requirements.txt
index 6225a53..8bff6c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ tqdm==4.14.0
 troposphere==1.9.4
 twilio==6.4.1
 Unidecode==0.4.20
-urllib3==1.21.1
+urllib3==1.26.5
 Werkzeug==0.12
 whitenoise==3.3.0
 wsgi-request-logger==0.4.6