diff --git a/README.md b/README.md
index f825cfa..7f9e09d 100644
--- a/README.md
+++ b/README.md
@@ -36,11 +36,11 @@ It aims to provide a set of easy to use interfaces to support spark consumers to
 Make sure your local go version is 1.18 by running the following commands:
 
 ```shell
-brew install go@1.18
+brew install go@1.20
 brew unlink go
-brew link go@1.18
+brew link go@1.20
 
-brew install protobuf@3.21.12
+brew install protobuf@25.2
 brew unlink protobuf
 brew link protobuf
 ```
diff --git a/protos/coinbase/chainsformer/api.pb.go b/protos/coinbase/chainsformer/api.pb.go
index f21f9c5..57651fc 100644
--- a/protos/coinbase/chainsformer/api.pb.go
+++ b/protos/coinbase/chainsformer/api.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.32.0
-// 	protoc        v4.25.1
+// 	protoc        v3.20.3
 // source: coinbase/chainsformer/api.proto
 
 package chainsformer