diff --git a/fisco_bcos_python_sdk/requirements.txt b/fisco_bcos_python_sdk/requirements.txt
index 63206da..f57a406 100644
--- a/fisco_bcos_python_sdk/requirements.txt
+++ b/fisco_bcos_python_sdk/requirements.txt
@@ -51,6 +51,6 @@ typing-extensions==3.7.4.3
 urllib3==1.26.3
 varint==1.0.2
 web3==5.17.0
-websockets==8.1
+websockets==9.1
 Werkzeug==1.0.1
 zipp==3.4.0