diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 50b243cdf3d2..9fa12e405e14 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -9,13 +9,13 @@
 
 buildPythonPackage rec {
   pname = "grpcio-tools";
-  version = "1.66.2";
-  format = "setuptools";
+  version = "1.67.0";
+  pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_tools";
     inherit version;
-    hash = "sha256-SjbgeRPSa6XM/SaFumPKl/JrCMJJ0syedN2jfvpJ1+Q=";
+    hash = "sha256-GBs9TmG4MULBguw2bzB5sAI1CXQ5huVMlGXKOMrCVfg=";
   };
 
   outputs = [