diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index 49646affea..6197c9244c 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -57,7 +57,7 @@ tenacity==8.1.0
 rich==13.7.0
 # for standby test
 etcd-sdk-python==0.0.6
-deepdiff==6.7.1
+deepdiff==8.6.1
 
 # for test result analyzer
 prettytable==3.8.0