diff --git a/grpc/README.md b/grpc/README.md
index 22632ef..2d496d4 100644
--- a/grpc/README.md
+++ b/grpc/README.md
@@ -10,19 +10,20 @@ See [API documentation](..\docs\apis.md)
 
 ##### Installling tools
 
-Download the [Protocol Buffers compiler](https://github.com/protocolbuffers/protobuf/releases) (protoc-3.15.0-*) for your platform and add `protoc` to `PATH` environment variable 
+Download the [Protocol Buffers compiler](https://github.com/protocolbuffers/protobuf/releases) (protoc-3.17.3-*)+ for
+your platform and add `protoc` to `PATH` environment variable
 
-For generating Go code, install `protoc-gen-go` (v1.4.3):
+For generating Go code, install `protoc-gen-go` (v1.27.1+):
 ```bash
-GIT_TAG="v1.4.3"
+GIT_TAG="v1.27.1"
 go get -d -u google.golang.org/protobuf/cmd/protoc-gen-go
 git -C "$(go env GOPATH)"/src/google.golang.org/protobuf checkout $GIT_TAG
 go install google.golang.org/protobuf/cmd/protoc-gen-go
 ```
 
-Also install `protoc-gen-go-grpc`:
+Also install `protoc-gen-go-grpc` v1.1.0+:
 ```bash
-go get -u google.golang.org/protobuf/cmd/protoc-gen-go
+go get -u google.golang.org/grpc/cmd/protoc-gen-go-grpc
 ```
 
 Or install using [gobin](https://github.com/myitcv/gobin):