diff --git a/examples/csharp/helloworld/generate_protos.bat b/examples/csharp/helloworld/generate_protos.bat
index 28b73956354969514d7631660c6658568c0e68ca..0afa1297621b9ececb3f2be722685ab78c18f273 100644
--- a/examples/csharp/helloworld/generate_protos.bat
+++ b/examples/csharp/helloworld/generate_protos.bat
@@ -34,7 +34,7 @@ setlocal
 @rem enter this directory
 cd /d %~dp0
 
-set TOOLS_PATH=packages\Grpc.Tools.1.0.0\tools\windows_x86
+set TOOLS_PATH=packages\Grpc.Tools.1.0.1\tools\windows_x86
 
 %TOOLS_PATH%\protoc.exe -I../../protos --csharp_out Greeter  ../../protos/helloworld.proto --grpc_out Greeter --plugin=protoc-gen-grpc=%TOOLS_PATH%\grpc_csharp_plugin.exe