diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index 9ba791e073ca..006e4602fde9 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -20,7 +20,7 @@
 
 stdenv.mkDerivation rec {
   pname = "grpc";
-  version = "1.47.0"; # N.B: if you change this, please update:
+  version = "1.48.0"; # N.B: if you change this, please update:
     # pythonPackages.grpcio-tools
     # pythonPackages.grpcio-status
 
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    sha256 = "sha256-fMYAos0gQelFMPkpR0DdKr4wPX+nhZSSqeaU4URqgto=";
+    hash = "sha256-cR+K3po/9XpYWe+sRXGwzvNAPChrWzYu5D4ygBTKKIQ=";
     fetchSubmodules = true;
   };
 
diff --git a/pkgs/development/python-modules/grpcio-status/default.nix b/pkgs/development/python-modules/grpcio-status/default.nix
index 52a95fd8b65f..37f3617ecf39 100644
--- a/pkgs/development/python-modules/grpcio-status/default.nix
+++ b/pkgs/development/python-modules/grpcio-status/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "grpcio-status";
-  version = "1.47.0";
+  version = "1.48.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "c9ce3213e84c6fd8801c31aca3ea4a6b3453eaa40b93a6c0a23ea8999808fa00";
+    sha256 = "afac961fc3713889d3c48c11461aba49842ca62a54dfe8f346442046036e9856";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 73a98008739b..4797772086ad 100644
--- a/pkgs/development/python-modules/grpcio-tools/default.nix
+++ b/pkgs/development/python-modules/grpcio-tools/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "grpcio-tools";
-  version = "1.47.0";
+  version = "1.48.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f64b5378484be1d6ce59311f86174be29c8ff98d8d90f589e1c56d5acae67d3c";
+    sha256 = "dd7f757608e7dfae4ab2e7fc1e8951e6eb9526ebdc7ce90597329bc4c408c9a1";
   };
 
   outputs = [ "out" "dev" ];