diff --git a/pkgs/development/python-modules/grpcio-testing/default.nix b/pkgs/development/python-modules/grpcio-testing/default.nix
index cabad7a8cfbe..ed4fcdb36114 100644
--- a/pkgs/development/python-modules/grpcio-testing/default.nix
+++ b/pkgs/development/python-modules/grpcio-testing/default.nix
@@ -10,7 +10,7 @@
 
 buildPythonPackage rec {
   pname = "grpcio-testing";
-  version = "1.66.2";
+  version = "1.67.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "grpcio_testing";
     inherit version;
-    hash = "sha256-pje9w7MSutXZKQd2dP0TS0zJbkm0P39OwQVLR28ZRgQ=";
+    hash = "sha256-YVRnu0aObDSfYCIKlrvMKin70hmwDdip96I+Qyi7+Dw=";
   };
 
   postPatch = ''