diff --git a/requirements.txt b/requirements.txt
index 917d390..ee40887 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,5 +33,5 @@ toolz==0.9.0
 urllib3==1.24.1
 waitress==1.2.1
 web3==4.8.3
-websockets==6.0
+websockets==9.1
 Werkzeug==0.15.1