diff --git a/requirements.txt b/requirements.txt
index 34b2cea..27d9bdf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,4 +14,4 @@ six==1.14.0
 starlette==0.12.9
 uvicorn==0.11.2
 uvloop==0.14.0
-websockets==8.1
+websockets==9.1