diff --git a/tests/python_client/chaos/chaos_objects/memory_stress/chaos_querynode_memory_stress.yaml b/tests/python_client/chaos/chaos_objects/memory_stress/chaos_querynode_memory_stress.yaml
index 38889f315be9ff23c5074b1cbb6a098f15fc68c7..282219fbc5747849729d677217defc8defcb87b7 100644
--- a/tests/python_client/chaos/chaos_objects/memory_stress/chaos_querynode_memory_stress.yaml
+++ b/tests/python_client/chaos/chaos_objects/memory_stress/chaos_querynode_memory_stress.yaml
@@ -8,8 +8,9 @@ spec:
     namespaces:
       - chaos-testing
     labelSelectors:
-      app.kubernetes.io/instance: chaos-testing
-      component: querynode
+      app.kubernetes.io/name: milvus
+      app.kubernetes.io/instance: mic-memory
+      app.kubernetes.io/component: querynode
   mode: one
   stressors:
     memory: