diff --git a/requirements.txt b/requirements.txt
index e94f8d1597..ea338d0723 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ py==1.8.0
 pyasn1==0.4.7
 pyasn1-modules==0.2.6
 pylint==2.3.1
-pymilvus-test==0.2.15
+pymilvus-test==0.2.21
 #pymilvus==0.2.0
 pyparsing==2.4.0
 pytest==4.6.3