diff --git a/setup.cfg b/setup.cfg
index f5198bf..1a5b45e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -25,7 +25,9 @@ setup_requires =
     wheel
 
 install_requires =
-    grpcio-tools
+    grpcio==1.56.2
+    grpcio-tools==1.56.2
+    protobuf==4.23.4
 
 packages =
     farm_ng.package