diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index c80bc6f9bf6..73a98008739 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 = "1.46.3";
+  version = "1.47.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "31fee436ace5b3bd950cc3a8e68d6b84de1d6dc755959db7badc3470cdf22f70";
+    sha256 = "f64b5378484be1d6ce59311f86174be29c8ff98d8d90f589e1c56d5acae67d3c";
   };
 
   outputs = [ "out" "dev" ];