diff --git a/requirements.txt b/requirements.txt
index 1979464..8ee5320 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,5 +12,5 @@ pytz==2019.2
 requests==2.22.0
 six==1.12.0
 twilio==6.29.2
-urllib3==1.25.3
+urllib3==1.26.19
 Werkzeug==0.15.5