diff --git a/pkgs/development/python-modules/mypy-protobuf/default.nix b/pkgs/development/python-modules/mypy-protobuf/default.nix
index 17b0d068c981..c7194d19b5cb 100644
--- a/pkgs/development/python-modules/mypy-protobuf/default.nix
+++ b/pkgs/development/python-modules/mypy-protobuf/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchPypi, buildPythonApplication, protobuf, pythonOlder }:
+{ lib, fetchPypi, buildPythonApplication, protobuf, types-protobuf, grpcio-tools, pythonOlder }:
 
 buildPythonApplication rec {
   pname = "mypy-protobuf";
@@ -11,7 +11,7 @@ buildPythonApplication rec {
     sha256 = "278172935d7121c2f8c7c0a05518dd565a2b76d9e9c4a0a3fcd08a21fa685d43";
   };
 
-  propagatedBuildInputs = [ protobuf ];
+  propagatedBuildInputs = [ protobuf types-protobuf grpcio-tools ];
 
   meta = with lib; {
     description = "Generate mypy stub files from protobuf specs";