diff --git a/tests/milvus_python_test/requirements_no_pymilvus.txt b/tests/milvus_python_test/requirements_no_pymilvus.txt
index c6a933736e..369afeb44b 100644
--- a/tests/milvus_python_test/requirements_no_pymilvus.txt
+++ b/tests/milvus_python_test/requirements_no_pymilvus.txt
@@ -9,7 +9,7 @@ more-itertools==7.0.0
 numpy==1.16.3
 pluggy==0.12.0
 py==1.8.0
-pylint==2.3.1
+pylint==2.5.0
 pytest==4.5.0
 pytest-timeout==1.3.3
 pytest-repeat==0.8.0