diff --git a/requirements.txt b/requirements.txt
index 0086196..7d9da2e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,6 +20,6 @@ requests==2.23.0
 six==1.15.0
 toml==0.10.1
 twilio==6.40.0
-urllib3==1.25.9
+urllib3==1.26.5
 Werkzeug==1.0.1
 wrapt==1.12.1