diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3035dad0..9c981f9a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,6 +17,9 @@ jobs:
           - macos-latest
           - ubuntu-latest
           - windows-latest
+        cache:
+          - true
+          - false
     runs-on: ${{ matrix.os }}
     steps:
       - name: 🏗 Setup repo
@@ -26,9 +29,9 @@ jobs:
         uses: ./
         with:
           eas-version: latest
-          eas-cache: true
+          eas-cache: ${{ matrix.cache }}
           expo-version: latest
-          expo-cache: true
+          expo-cache: ${{ matrix.cache }}
           token: ${{ secrets.EXPO_TOKEN }}
       
       - name: 🧪 EAS installed
diff --git a/build/setup/index.js b/build/setup/index.js
index 22e37df1..8809a9e7 100644
--- a/build/setup/index.js
+++ b/build/setup/index.js
@@ -64755,6 +64755,7 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.executeAction = exports.expoAuthenticate = exports.patchWatchers = exports.installToolFromPackage = exports.toolPath = exports.tempPath = exports.cacheTool = exports.findTool = void 0;
 const core_1 = __nccwpck_require__(2186);
 const exec_1 = __nccwpck_require__(1514);
+const io_1 = __nccwpck_require__(7436);
 const os_1 = __importDefault(__nccwpck_require__(2037));
 const path_1 = __importDefault(__nccwpck_require__(1017));
 var tool_cache_1 = __nccwpck_require__(7784);
@@ -64825,7 +64826,7 @@ async function expoAuthenticate(token, cli) {
         (0, core_1.info)(`Skipped token validation: no CLI installed, can't run 'whoami'.`);
     }
     else {
-        await (0, exec_1.exec)('npx --no-install', [cli, 'whoami'], {
+        await (0, exec_1.exec)(await (0, io_1.which)(cli), ['whoami'], {
             env: { ...process.env, EXPO_TOKEN: token },
         });
     }
diff --git a/src/worker.ts b/src/worker.ts
index 23a22bc4..eca2c4d3 100644
--- a/src/worker.ts
+++ b/src/worker.ts
@@ -1,5 +1,6 @@
 import { addPath, exportVariable, info, setFailed, warning } from '@actions/core';
 import { exec } from '@actions/exec';
+import { which } from '@actions/io';
 import os from 'os';
 import path from 'path';
 
@@ -71,7 +72,7 @@ export async function expoAuthenticate(token: string, cli?: 'expo' | 'eas'): Pro
   if (!cli) {
     info(`Skipped token validation: no CLI installed, can't run 'whoami'.`);
   } else {
-    await exec('npx --no-install', [cli, 'whoami'], {
+    await exec(await which(cli), ['whoami'], {
       env: { ...process.env, EXPO_TOKEN: token },
     });
   }
diff --git a/tests/worker.test.ts b/tests/worker.test.ts
index 7a885e0f..dc791849 100644
--- a/tests/worker.test.ts
+++ b/tests/worker.test.ts
@@ -1,5 +1,6 @@
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
+import * as io from '@actions/io';
 import os from 'os';
 import path from 'path';
 
@@ -15,6 +16,7 @@ import { resetEnv, setEnv, setPlatform, resetPlatform } from './utils';
 
 jest.mock('@actions/core');
 jest.mock('@actions/exec');
+jest.mock('@actions/io');
 
 describe(tempPath, () => {
   afterEach(resetEnv);
@@ -93,15 +95,19 @@ describe(expoAuthenticate, () => {
   });
 
   it('validates EXPO_TOKEN with expo-cli', async () => {
+    jest.mocked(io.which).mockResolvedValue('expo');
     await expoAuthenticate('faketoken', 'expo');
-    expect(exec.exec).toBeCalledWith('npx --no-install', ['expo', 'whoami'], {
+    expect(io.which).toBeCalledWith('expo');
+    expect(exec.exec).toBeCalledWith('expo', ['whoami'], {
       env: expect.objectContaining({ EXPO_TOKEN: 'faketoken' }),
     });
   });
 
   it('validates EXPO_TOKEN with eas-cli', async () => {
+    jest.mocked(io.which).mockResolvedValue('eas');
     await expoAuthenticate('faketoken', 'eas');
-    expect(exec.exec).toBeCalledWith('npx --no-install', ['eas', 'whoami'], {
+    expect(io.which).toBeCalledWith('eas');
+    expect(exec.exec).toBeCalledWith('eas', ['whoami'], {
       env: expect.objectContaining({ EXPO_TOKEN: 'faketoken' }),
     });
   });