diff --git a/requirements.txt b/requirements.txt
index 45dbb39..e9eaf2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 --extra-index-url https://test.pypi.org/simple/
-pymilvus==2.0.0rc3.dev15
+pymilvus==2.0.0rc3.dev16
 pandas
 numpy
 sklearn==0.0
diff --git a/setup.py b/setup.py
index a9b1902..939e473 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@
 README = (HERE / 'README.md').read_text()
 
 requirements = [
-        "pymilvus==2.0.0rc3.dev15",
+        "pymilvus==2.0.0rc3.dev16",
         "pandas==1.1.5; python_version<'3.7'",
         "pandas==1.2.4; python_version>'3.6'",
     ]