diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index c60acb2d1f1..fe0fc9d3f8e 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 = "1.32.0";
+  version = "1.33.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "28547272c51e1d2d343685b9f531e85bb90ad7bd93e726ba646b5627173cbc47";
+    sha256 = "af40774c0275f5465f49fd92bfcd9831b19b013de4cc77b8fb38aea76fa6dce3";
   };
 
   enableParallelBuilding = true;