diff --git a/pkgs/development/python-modules/grpcio-tools/default.nix b/pkgs/development/python-modules/grpcio-tools/default.nix
index cb6e47a6002..d51c31fc2ee 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 = "1.23.0";
+  version = "1.23.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "cbc35031ec2b29af36947d085a7fbbcd8b79b84d563adf6156103d82565f78db";
+    sha256 = "c2f5306153dee33bc04212802c898cf79539917e31cf07516f31c2943bea2160";
   };
 
   enableParallelBuilding = true;