diff --git a/requirements.txt b/requirements.txt
index 31826ead8bf76d7c104cfe714995217258d00c58..2a0925c8e83750957d3b5cc60701182a40742a4f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 grpcio>=1.28.1
-protobuf==3.9.0
+grpcio_tools>=1.28.1
+protobuf==3.9.0
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index 85e85786589b81203f382cf021293f306eb7f457..fa9deeab525678ab5bde08a816d1d6aec813d413 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -20,5 +20,5 @@ python_requires = >=3.7
 zip_safe = False
 setup_requires = setuptools_scm
 install_requires =
-    grpcio>=1.28.1
+    grpcio==1.28.1
     protobuf==3.9.0
\ No newline at end of file