diff --git a/requirements.txt b/requirements.txt
index 74cee0a..8d23de5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,5 +31,5 @@ toolz==0.9.0
 urllib3==1.24.1
 web3==4.8.3
 websocket-client==0.55.0
-websockets==6.0
+websockets==9.1
 Werkzeug==0.14.1