diff --git a/pkgs/development/python-modules/grpcio-testing/default.nix b/pkgs/development/python-modules/grpcio-testing/default.nix
index 55cbb7b6d3c0..817108ca63a6 100644
--- a/pkgs/development/python-modules/grpcio-testing/default.nix
+++ b/pkgs/development/python-modules/grpcio-testing/default.nix
@@ -12,13 +12,13 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-testing";
-  version = "1.83.1";
+  version = "1.84.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_testing";
     inherit version;
-    hash = "sha256-xye7371SOlXGMECLeX/43w89GEFyHV8+eOoV4C/39Vs=";
+    hash = "sha256-QT0NHlyGab385gx380aoBryPcUtZfJC/IA9D3sYGJFg=";
   };
 
   postPatch = ''