diff --git a/requirements.txt b/requirements.txt
index ffe64d98019d5619f5dbd3d53afbb63675b87c65..06b60c4ef2ab6f8bbfc9daddad0500a1f9f3c0bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-grpcio==1.28.1
+grpcio
 protobuf==3.9.0