diff --git a/tests/python_client/requirements.txt b/tests/python_client/requirements.txt
index 523983569cdaa..219d27fd9b2b4 100644
--- a/tests/python_client/requirements.txt
+++ b/tests/python_client/requirements.txt
@@ -12,8 +12,8 @@ allure-pytest==2.7.0
 pytest-print==0.2.1
 pytest-level==0.1.1
 pytest-xdist==2.5.0
-pymilvus==2.5.0rc70
-pymilvus[bulk_writer]==2.5.0rc70
+pymilvus==2.5.0rc74
+pymilvus[bulk_writer]==2.5.0rc74
 pytest-rerunfailures==9.1.1
 git+https://github.com/Projectplace/pytest-tags
 ndg-httpsclient
diff --git a/tests/python_client/testcases/test_collection.py b/tests/python_client/testcases/test_collection.py
index 667e1e8f6a546..4dfdc8c498363 100644
--- a/tests/python_client/testcases/test_collection.py
+++ b/tests/python_client/testcases/test_collection.py
@@ -2832,8 +2832,8 @@ def test_load_replica_change(self):
         assert loading_progress == {'loading_progress': '100%'}
 
         # verify load different replicas thrown an exception
-        error = {ct.err_code: 1100, ct.err_msg: "failed to load collection: can't change the replica number for "
-                                                "loaded collection: expected=1, actual=2: invalid parameter"}
+        error = {ct.err_code: 1100, ct.err_msg: "call query coordinator LoadCollection: can't change the replica number"
+                                                " for loaded collection: invalid parameter[expected=1][actual=2]"}
         collection_w.load(replica_number=2, check_task=CheckTasks.err_res, check_items=error)
         one_replica, _ = collection_w.get_replicas()
         assert len(one_replica.groups) == 1