diff --git a/pkgs/by-name/gr/grpc/package.nix b/pkgs/by-name/gr/grpc/package.nix
index 34ca53f27bc1..22004a58a728 100644
--- a/pkgs/by-name/gr/grpc/package.nix
+++ b/pkgs/by-name/gr/grpc/package.nix
@@ -26,7 +26,7 @@
 # nixpkgs-update: no auto update
 stdenv.mkDerivation rec {
   pname = "grpc";
-  version = "1.73.1"; # N.B: if you change this, please update:
+  version = "1.74.0"; # N.B: if you change this, please update:
   # pythonPackages.grpcio
   # pythonPackages.grpcio-channelz
   # pythonPackages.grpcio-health-checking
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    hash = "sha256-VAr+f+xqZfrP4XfCnZ9KxVTO6pHQe9gB2DgaQuen840=";
+    hash = "sha256-97+llHIubNYwULSD0KxEcGN+T8bQWufaEH6QT9oTgwg=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/development/python-modules/grpcio-channelz/default.nix b/pkgs/development/python-modules/grpcio-channelz/default.nix
index 1b23f39166b4..ae82882b7ba8 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 = "1.73.1";
+  version = "1.74.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_channelz";
     inherit version;
-    hash = "sha256-5IxURNtQXZ5CzspDmcy5kmvOtBGJqJVhQKlNL5VTi+k=";
+    hash = "sha256-a4AHm21uNITq+J9OVHQ46Py4ZY8kQCfa+2eAO7vQfUs=";
   };
 
   build-system = [ setuptools ];
diff --git a/pkgs/development/python-modules/grpcio-health-checking/default.nix b/pkgs/development/python-modules/grpcio-health-checking/default.nix
index 0f21392ca7ad..ea3c3dbb14bc 100644
--- a/pkgs/development/python-modules/grpcio-health-checking/default.nix
+++ b/pkgs/development/python-modules/grpcio-health-checking/default.nix
@@ -11,13 +11,13 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-health-checking";
-  version = "1.73.1";
+  version = "1.74.0";
   format = "setuptools";
 
   src = fetchPypi {
     pname = "grpcio_health_checking";
     inherit version;
-    hash = "sha256-NSdTcT7euj8j6oozIMV1K+4YYALZR1plT1+BX/TgY0U=";
+    hash = "sha256-1nSUUdTO9UPD9iYK6ahshLmrAqkkIc7K5zpjLn/pIL8=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/grpcio-reflection/default.nix b/pkgs/development/python-modules/grpcio-reflection/default.nix
index 4f2551757836..35b0e1ca1e0c 100644
--- a/pkgs/development/python-modules/grpcio-reflection/default.nix
+++ b/pkgs/development/python-modules/grpcio-reflection/default.nix
@@ -12,13 +12,13 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-reflection";
-  version = "1.73.1";
+  version = "1.74.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_reflection";
     inherit version;
-    hash = "sha256-LWpCAmTjHoPoERTdJYa1zQWmxomwHdXiEh2R8rThZ/I=";
+    hash = "sha256-xzJ9JSDc2sIJhy6/V3dMMjlkba2ILkq7Ste+vMrKLIM=";
   };
 
   build-system = [ setuptools ];
diff --git a/pkgs/development/python-modules/grpcio-status/default.nix b/pkgs/development/python-modules/grpcio-status/default.nix
index 2952084a783c..c003dda3cd2b 100644
--- a/pkgs/development/python-modules/grpcio-status/default.nix
+++ b/pkgs/development/python-modules/grpcio-status/default.nix
@@ -13,7 +13,7 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-status";
-  version = "1.73.1";
+  version = "1.74.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "grpcio_status";
     inherit version;
-    hash = "sha256-ko9JzPlojbXyDNnkXEV4odAczKKa6qvwZvKsdqqIZmg=";
+    hash = "sha256-xYwbJKpFTjDx/Gp+DbvBlMVKQIFDlxqUtfTkC7WDFDI=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/grpcio-testing/default.nix b/pkgs/development/python-modules/grpcio-testing/default.nix
index cd5854c7b166..b89cc4aa7df8 100644
--- a/pkgs/development/python-modules/grpcio-testing/default.nix
+++ b/pkgs/development/python-modules/grpcio-testing/default.nix
@@ -13,7 +13,7 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio-testing";
-  version = "1.73.1";
+  version = "1.74.0";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "grpcio_testing";
     inherit version;
-    hash = "sha256-H7olzlrspjILsQShvdFoMvv2igiL9QUQm9AmHTCBeI4=";
+    hash = "sha256-Ed7bU6QQ/jsqK8mp7ZyaaXlCDJMkPafXh/fM+aJUPjc=";
   };
 
   postPatch = ''
diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 38bdc67c187c..ba25ada573e4 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 = "1.73.1";
+  version = "1.74.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "grpcio_tools";
     inherit version;
-    hash = "sha256-bgat7DsIcPWUeVOw74298s683/Yfsf4IEgzHSDx5eKo=";
+    hash = "sha256-iKuesYtqwbSHKt1rOUBzvY1E7ufDLk3GCgIuJf+v+5U=";
   };
 
   outputs = [
diff --git a/pkgs/development/python-modules/grpcio/default.nix b/pkgs/development/python-modules/grpcio/default.nix
index eb90a2b0e4f8..7c92d6904ec3 100644
--- a/pkgs/development/python-modules/grpcio/default.nix
+++ b/pkgs/development/python-modules/grpcio/default.nix
@@ -18,14 +18,14 @@
 # nixpkgs-update: no auto update
 buildPythonPackage rec {
   pname = "grpcio";
-  version = "1.73.1";
+  version = "1.74.0";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-f84s0cDBEWzzhQVk6/wyZPunXTx0p0FDc/EjjqNl74c=";
+    hash = "sha256-gNH0+7NbB0LT49O7ZUtzgc1fAV+ElyeaHpwhumI+AbE=";
   };
 
   outputs = [