diff --git a/requirements.txt b/requirements.txt
index 05d731e..8959a9e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ scipy==1.4.1
 six==1.14.0
 starlette==0.13.2
 twilio==6.38.1
-urllib3==1.25.9
+urllib3==1.26.5
 uvicorn==0.11.5
 uvloop==0.14.0
 websockets==8.1