diff --git a/requirements.txt b/requirements.txt
index 208928e..c099cbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,6 +62,6 @@ toml==0.10.2
 twilio==6.51.1
 typing-extensions==3.7.4.3
 uritemplate==3.0.1
-urllib3==1.26.3
+urllib3==1.26.4
 Werkzeug==1.0.1
 yarl==1.6.3