diff --git a/README.md b/README.md
index ac4d338b..fd801df1 100644
--- a/README.md
+++ b/README.md
@@ -377,9 +377,12 @@ If your changes are in line with the design concept, please submit a pull reques
 ```bash
 git clone https://github.com/Himenon/openapi-typescript-code-generator.git
 cd openapi-typescript-code-generator
-yarn
+pnpm i
 #### your change
-pnpm build && pnpm test
+pnpm build
+pnpm run test:code:gen
+pnpm run update:snapshot # if you changed
+pnpm run test
 ```
 
 ## Useful development tools
diff --git a/docs/ja/README-ja.md b/docs/ja/README-ja.md
index bf0311f8..514409e1 100644
--- a/docs/ja/README-ja.md
+++ b/docs/ja/README-ja.md
@@ -371,9 +371,12 @@ API 仕様書から TypeScript のコードへ変換するとき、参照関係
 ```bash
 git clone https://github.com/Himenon/openapi-typescript-code-generator.git
 cd openapi-typescript-code-generator
-yarn
-# your change
-yarn build && yarn test
+pnpm i
+#### your change
+pnpm build
+pnpm run test:code:gen
+pnpm run update:snapshot # if you changed
+pnpm run test
 ```
 
 ### 便利な開発ツール
diff --git a/scripts/build.ts b/scripts/build.ts
index 0dcc876a..938192e6 100644
--- a/scripts/build.ts
+++ b/scripts/build.ts
@@ -11,14 +11,16 @@ import { shell } from "./tools/shell";
 const generateVersionTsFile = () => {
   const codes: string[] = [`export const Name = "${pkg.name}";`, `export const Version = "${pkg.version}";`];
   const tscCode = codes.join(EOL);
-  if (process.env.CI) {
-    console.log("Update src/meta.ts file.");
-    fs.writeFileSync("src/meta.ts", tscCode, "utf-8");
-  }
+  console.log("Update src/meta.ts file.");
+  const snapshot = fs.readFileSync("src/meta.ts", "utf-8");
+  fs.writeFileSync("src/meta.ts", tscCode, "utf-8");
+  return () => {
+    fs.writeFileSync("src/meta.ts", snapshot, "utf-8");
+  };
 };
 
 const main = async () => {
-  generateVersionTsFile();
+  const recovery = generateVersionTsFile();
 
   await Promise.all([
     shell("pnpm tsc -p tsconfig.esm.json -d --emitDeclarationOnly --outDir ./lib/\\$types"),
@@ -39,6 +41,7 @@ const main = async () => {
   });
 
   await copyPackageSet(exportsFiled);
+  recovery();
 };
 
 main().catch(error => {