diff --git a/adv_transformer/requirements.txt b/adv_transformer/requirements.txt
index 0f7fb6c..cfab37c 100644
--- a/adv_transformer/requirements.txt
+++ b/adv_transformer/requirements.txt
@@ -127,7 +127,7 @@ urllib3==1.25.9
 uvicorn==0.11.5
 uvloop==0.14.0
 wasabi==0.6.0
-websockets==8.1
+websockets==9.1
 Werkzeug==1.0.1
 wolframalpha==4.0.0
 wrapt==1.12.1