diff --git a/tests/integration/cli/build-watch/build.test.ts b/tests/integration/cli/build-watch/build.test.ts
index df6e8f30d..79b1b7981 100644
--- a/tests/integration/cli/build-watch/build.test.ts
+++ b/tests/integration/cli/build-watch/build.test.ts
@@ -1,9 +1,14 @@
-import { exec, spawn } from 'node:child_process';
+import { spawn } from 'node:child_process';
 import path from 'node:path';
 import { after } from 'node:test';
 import { describe, expect, test } from '@rstest/core';
 import fse from 'fs-extra';
-import { awaitFileChanges, awaitFileExists } from 'test-helper';
+import {
+  awaitFileChanges,
+  awaitFileExists,
+  rslibBinPath,
+  runCli,
+} from 'test-helper';
 
 describe('build --watch command', async () => {
   test('basic', async () => {
@@ -26,7 +31,7 @@ export default defineConfig({
   `,
     );
 
-    const process = exec(`npx rslib build --watch -c ${tempConfigFile}`, {
+    const process = runCli(`build --watch -c ${tempConfigFile}`, {
       cwd: __dirname,
     });
 
@@ -98,8 +103,8 @@ export default defineConfig({
     const distFoo2File = path.join(__dirname, 'dist/esm/foo2.js');
 
     const child = spawn(
-      'npx',
-      ['rslib', 'build', '--watch', '-c', tempConfigFile],
+      'node',
+      [rslibBinPath, 'build', '--watch', '-c', tempConfigFile],
       {
         cwd: __dirname,
         stdio: 'inherit',
diff --git a/tests/integration/cli/build/build.test.ts b/tests/integration/cli/build/build.test.ts
index badd0104c..130b96f32 100644
--- a/tests/integration/cli/build/build.test.ts
+++ b/tests/integration/cli/build/build.test.ts
@@ -1,13 +1,12 @@
-import { execSync } from 'node:child_process';
 import path from 'node:path';
 import { describe, expect, test } from '@rstest/core';
 import fse from 'fs-extra';
-import { buildAndGetResults, globContentJSON } from 'test-helper';
+import { buildAndGetResults, globContentJSON, runCliSync } from 'test-helper';
 
 describe('build command', async () => {
   test('basic', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib build', {
+    runCliSync('build', {
       cwd: __dirname,
     });
 
@@ -23,7 +22,7 @@ describe('build command', async () => {
 
   test('--lib', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib build --lib esm', {
+    runCliSync('build --lib esm', {
       cwd: __dirname,
     });
 
@@ -38,7 +37,7 @@ describe('build command', async () => {
 
   test('--lib multiple', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib build --lib esm --lib cjs', {
+    runCliSync('build --lib esm --lib cjs', {
       cwd: __dirname,
     });
 
@@ -69,12 +68,9 @@ describe('build command', async () => {
 
   test('--config', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync(
-      'npx rslib build --config ./custom-config/rslib.config.custom.ts',
-      {
-        cwd: __dirname,
-      },
-    );
+    runCliSync('build --config ./custom-config/rslib.config.custom.ts', {
+      cwd: __dirname,
+    });
 
     const files = await globContentJSON(path.join(__dirname, 'dist'));
     const fileNames = Object.keys(files).sort();
@@ -88,7 +84,7 @@ describe('build command', async () => {
 
   test('--root', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib build --root custom-root', {
+    runCliSync('build --root custom-root', {
       cwd: __dirname,
     });
 
diff --git a/tests/integration/cli/env/env.test.ts b/tests/integration/cli/env/env.test.ts
index cf2d5eb0f..0091757c4 100644
--- a/tests/integration/cli/env/env.test.ts
+++ b/tests/integration/cli/env/env.test.ts
@@ -1,7 +1,7 @@
-import { execSync } from 'node:child_process';
 import fs from 'node:fs';
 import path from 'node:path';
 import { beforeEach, describe, expect, test } from '@rstest/core';
+import { runCliSync } from 'test-helper';
 
 const localFile = path.join(__dirname, '.env.local');
 const prodLocalFile = path.join(__dirname, '.env.production.local');
@@ -13,7 +13,7 @@ describe('load env file', async () => {
   });
 
   test('should load .env config and allow rslib.config.ts to read env vars', async () => {
-    execSync('npx rslib build', {
+    runCliSync('build', {
       cwd: __dirname,
     });
 
@@ -23,9 +23,10 @@ describe('load env file', async () => {
   test('should load .env.local with higher priority', async () => {
     fs.writeFileSync(localFile, 'FOO=2');
 
-    execSync('npx rslib build', {
+    runCliSync('build', {
       cwd: __dirname,
     });
+
     expect(fs.existsSync(path.join(__dirname, 'dist/2'))).toBeTruthy();
   });
 
@@ -33,14 +34,15 @@ describe('load env file', async () => {
     fs.writeFileSync(localFile, 'FOO=2');
     fs.writeFileSync(prodLocalFile, 'FOO=3');
 
-    execSync('npx rslib build', {
+    runCliSync('build', {
       cwd: __dirname,
     });
+
     expect(fs.existsSync(path.join(__dirname, 'dist/3'))).toBeTruthy();
   });
 
   test('should allow to specify env mode via --env-mode', async () => {
-    execSync('npx rslib build --env-mode test', {
+    runCliSync('build --env-mode test', {
       cwd: __dirname,
     });
 
@@ -48,7 +50,7 @@ describe('load env file', async () => {
   });
 
   test('should allow to custom env directory via --env-dir', async () => {
-    execSync('npx rslib build --env-dir env', {
+    runCliSync('build --env-dir env', {
       cwd: __dirname,
     });
 
diff --git a/tests/integration/cli/inspect/inspect.test.ts b/tests/integration/cli/inspect/inspect.test.ts
index 17d761a12..31262ea2b 100644
--- a/tests/integration/cli/inspect/inspect.test.ts
+++ b/tests/integration/cli/inspect/inspect.test.ts
@@ -1,14 +1,13 @@
-import { execSync } from 'node:child_process';
 import path from 'node:path';
 import { describe } from 'node:test';
 import { expect, test } from '@rstest/core';
 import fse from 'fs-extra';
-import { globContentJSON } from 'test-helper';
+import { globContentJSON, runCliSync } from 'test-helper';
 
 describe('inspect command', async () => {
   test('basic', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib inspect', {
+    runCliSync('inspect', {
       cwd: __dirname,
     });
 
@@ -41,7 +40,7 @@ describe('inspect command', async () => {
 
   test('--lib', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib inspect --lib esm', {
+    runCliSync('inspect --lib esm', {
       cwd: __dirname,
     });
 
@@ -75,7 +74,7 @@ describe('inspect command', async () => {
 
   test('--lib multiple', async () => {
     await fse.remove(path.join(__dirname, 'dist'));
-    execSync('npx rslib inspect --lib esm --lib cjs', {
+    runCliSync('inspect --lib esm --lib cjs', {
       cwd: __dirname,
     });
 
diff --git a/tests/integration/cli/mf/mf.test.ts b/tests/integration/cli/mf/mf.test.ts
index 7160e9152..283c551bd 100644
--- a/tests/integration/cli/mf/mf.test.ts
+++ b/tests/integration/cli/mf/mf.test.ts
@@ -1,11 +1,10 @@
-import { exec, execSync } from 'node:child_process';
 import { join } from 'node:path';
 import { describe } from 'node:test';
 import { pluginModuleFederation } from '@module-federation/rsbuild-plugin';
 import { startMFDevServer } from '@rslib/core';
 import { expect, test } from '@rstest/core';
 import fse from 'fs-extra';
-import { awaitFileExists } from 'test-helper';
+import { awaitFileExists, runCli, runCliSync } from 'test-helper';
 
 const { existsSync } = fse;
 
@@ -19,7 +18,7 @@ describe('mf-dev', () => {
     fse.removeSync(distFolder);
     const distPath = join(distFolder, 'index.js');
 
-    const childProcess = exec('npx rslib mf-dev --lib mf0', {
+    const childProcess = runCli('mf-dev --lib mf0', {
       cwd: fixturePath,
       env: {
         ...process.env,
@@ -49,7 +48,7 @@ describe('mf-dev', () => {
     const distPath1 = join(distFolder1, 'index.js');
     const distPath2 = join(distFolder2, 'index.js');
 
-    const childProcess = exec('npx rslib mf-dev --lib mf1 --lib mf2', {
+    const childProcess = runCli('mf-dev --lib mf1 --lib mf2', {
       cwd: fixturePath,
     });
 
@@ -107,7 +106,7 @@ describe('mf build', () => {
     const distPath = join(fixturePath, 'dist/mf');
     const rspackConfigFile = join(distPath, '.rsbuild/rspack.config.mf.mjs');
 
-    execSync('npx rslib build', {
+    runCliSync('build', {
       cwd: fixturePath,
       env: {
         ...process.env,
diff --git a/tests/integration/plugins/index.test.ts b/tests/integration/plugins/index.test.ts
index f0cd24fce..831eb4e79 100644
--- a/tests/integration/plugins/index.test.ts
+++ b/tests/integration/plugins/index.test.ts
@@ -1,8 +1,7 @@
-import { exec } from 'node:child_process';
 import fs from 'node:fs';
 import { join } from 'node:path';
 import { expect, test } from '@rstest/core';
-import { awaitFileExists, buildAndGetResults } from 'test-helper';
+import { awaitFileExists, buildAndGetResults, runCli } from 'test-helper';
 
 import { distIndex } from './basic/rslib.config';
 import { plugin1Path, plugin2Path } from './mf-dev/rslib.config';
@@ -17,7 +16,7 @@ test('should run shared plugins only once', async () => {
 
 test('should merge plugins correctly', async () => {
   const fixturePath = join(__dirname, 'mf-dev');
-  const childProcess = exec('npx rslib mf-dev', {
+  const childProcess = runCli('mf-dev', {
     cwd: fixturePath,
   });
 
diff --git a/tests/integration/server/index.test.ts b/tests/integration/server/index.test.ts
index b138cd6cc..d1498bc34 100644
--- a/tests/integration/server/index.test.ts
+++ b/tests/integration/server/index.test.ts
@@ -1,9 +1,8 @@
-import { exec } from 'node:child_process';
 import { existsSync } from 'node:fs';
 import { join } from 'node:path';
 import { describe, expect, test } from '@rstest/core';
 import fse from 'fs-extra';
-import { awaitFileExists, buildAndGetResults } from 'test-helper';
+import { awaitFileExists, buildAndGetResults, runCli } from 'test-helper';
 
 describe('server config', async () => {
   test('basic config', async () => {
@@ -24,7 +23,7 @@ describe('server config', async () => {
 
     fse.removeSync(distPath);
 
-    const childProcess = exec('npx rslib mf-dev', {
+    const childProcess = runCli('mf-dev', {
       cwd: fixturePath,
       env: {
         ...process.env,
diff --git a/tests/scripts/shared.ts b/tests/scripts/shared.ts
index 4dc5cfc96..1d949c926 100644
--- a/tests/scripts/shared.ts
+++ b/tests/scripts/shared.ts
@@ -1,4 +1,10 @@
 import assert from 'node:assert';
+import {
+  type ExecOptions,
+  type ExecSyncOptions,
+  exec,
+  execSync,
+} from 'node:child_process';
 import fs from 'node:fs';
 import { basename, dirname, join, normalize } from 'node:path';
 import { fileURLToPath } from 'node:url';
@@ -14,6 +20,19 @@ import { globContentJSON } from './helper';
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
+export const rslibBinPath = join(
+  __dirname,
+  '../node_modules/@rslib/core/bin/rslib.js',
+);
+
+export function runCliSync(command: string, options?: ExecSyncOptions) {
+  return execSync(`node ${rslibBinPath} ${command}`, options);
+}
+
+export function runCli(command: string, options?: ExecOptions) {
+  return exec(`node ${rslibBinPath} ${command}`, options);
+}
+
 export function getCwdByExample(exampleName: string) {
   return join(__dirname, '../../examples', exampleName);
 }