diff --git a/pkgs/development/python-modules/grpcio-channelz/default.nix b/pkgs/development/python-modules/grpcio-channelz/default.nix
index 36402aa4aaa9..1f76e46d87fb 100644
--- a/pkgs/development/python-modules/grpcio-channelz/default.nix
+++ b/pkgs/development/python-modules/grpcio-channelz/default.nix
@@ -12,13 +12,13 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-channelz";
-  version = "1.78.0";
+  version = "1.78.1";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_channelz";
     inherit version;
-    hash = "sha256-5E/gR414spB1xtJYuMUQdhnAZGXAE6sYSeW+9JOvFT4=";
+    hash = "sha256-OnUpauDkLIQsZQVeC45nZWtqAikIZUdPxGTxPKvp35Q=";
   };
 
   build-system = [ setuptools ];