diff --git a/pkgs/development/libraries/grpc/default.nix b/pkgs/development/libraries/grpc/default.nix
index b0fe149b6f0..b5d4db8b419 100644
--- a/pkgs/development/libraries/grpc/default.nix
+++ b/pkgs/development/libraries/grpc/default.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchFromGitHub, fetchpatch, cmake, zlib, c-ares, pkgconfig, openssl, protobuf, gflags, abseil-cpp }:
 
 stdenv.mkDerivation rec {
-  version = "1.31.0"; # N.B: if you change this, change pythonPackages.grpcio-tools to a matching version too
+  version = "1.32.0"; # N.B: if you change this, change pythonPackages.grpcio-tools to a matching version too
   pname = "grpc";
   src = fetchFromGitHub {
     owner = "grpc";
     repo = "grpc";
     rev = "v${version}";
-    sha256 = "1h7gmhkjijfkpqhz8vswhkz2gkphs638g10dlkayic8xg9xdl4gj";
+    sha256 = "0v48h0j0gxcp9s63z1ibwgz4416qd6iq728la80y6gl8rklrqf0c";
     fetchSubmodules = true;
   };
   patches = [
diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index 37ffc8beca5..94a440bb4f1 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 = "1.31.0";
+  version = "1.32.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3b08cbd3f4d5b60e3bff8f859e6e03db739967a684268164abc940415e23ca51";
+    sha256 = "28547272c51e1d2d343685b9f531e85bb90ad7bd93e726ba646b5627173cbc47";
   };
 
   enableParallelBuilding = true;