diff --git a/requirements.txt b/requirements.txt
index 61c7c94..9045102 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -78,7 +78,7 @@ virtualenv==16.4.3
 wcwidth==0.1.7
 webencodings==0.5.1
 websocket-client==0.54.0
-websockets==7.0
+websockets==9.1
 Werkzeug==0.14.1
 widgetsnbextension==3.4.2
 wrapt==1.11.1