diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 4a1ff2831a6f..f6c866e608a7 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -12,13 +12,13 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-tools";
-  version = "1.72.0";
+  version = "1.73.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_tools";
     inherit version;
-    hash = "sha256-IxRK3wY/rVZlFgvNw5ciDy3CnhG33eiK5pvZZy/42ds=";
+    hash = "sha256-aeLad+fVLH6j5gBHun1wTSQrVcbA/7GmFHrOGzfOiBs=";
   };
 
   outputs = [