diff --git a/tests/milvus_python_test/requirements.txt b/tests/milvus_python_test/requirements.txt
index c40d5e3a78e4d2b53192c912ac5884462a80a4a6..b1a10629a5b0f5e9b24f9264e751b7b5487c443d 100644
--- a/tests/milvus_python_test/requirements.txt
+++ b/tests/milvus_python_test/requirements.txt
@@ -1,5 +1,5 @@
 numpy>=1.18.0
-pylint==2.3.1
+pylint==2.5.0
 pytest==4.5.0
 pytest-timeout==1.3.3
 pytest-repeat==0.8.0