diff --git a/et4_web3py_client/requirements.txt b/et4_web3py_client/requirements.txt
index 9186476..fa3804d 100644
--- a/et4_web3py_client/requirements.txt
+++ b/et4_web3py_client/requirements.txt
@@ -20,4 +20,4 @@ six==1.11.0
 toolz==0.9.0
 urllib3==1.24.2
 web3==4.2.1
-websockets==5.0
\ No newline at end of file
+websockets==9.1
\ No newline at end of file