diff --git a/requirements.txt b/requirements.txt
index c7f83da..847faf8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -53,7 +53,7 @@ Twisted==20.3.0
 txaio==20.4.1
 typed-ast==1.4.1
 urllib3==1.25.9
-websockets==8.1
+websockets==9.1
 wrapt==1.11.2
 yapf==0.29.0
 zope.interface==5.1.0