diff --git a/fixtures/monorepo/.gitignore b/fixtures/monorepo/.gitignore
new file mode 100644
index 0000000..d1595af
--- /dev/null
+++ b/fixtures/monorepo/.gitignore
@@ -0,0 +1,36 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+node_modules
+.pnp
+.pnp.js
+
+# testing
+coverage
+
+# next.js
+.next/
+out/
+build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# turbo
+.turbo
+
+# vercel
+.vercel
diff --git a/fixtures/monorepo/package.json b/fixtures/monorepo/package.json
new file mode 100644
index 0000000..aa0b92a
--- /dev/null
+++ b/fixtures/monorepo/package.json
@@ -0,0 +1,15 @@
+{
+  "private": true,
+  "scripts": {
+    "test:cli": "pnpm cli"
+  },
+  "devDependencies": {
+    "@eslit/cli": "workspace:*"
+  },
+  "packageManager": "pnpm@8.6.10",
+  "name": "monorepo",
+	"workspaces": [
+		"apps/*",
+		"packages/*"
+	]
+}
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 6f053b4..39e2683 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -28,6 +28,7 @@
 	"bin": "./src/index.js",
 	"license": "MIT",
 	"dependencies": {
+		"commander": "^11.0.0",
 		"magic-string": "^0.30.2",
 		"nanospinner": "^1.1.0",
 		"picocolors": "^1.0.0",
diff --git a/packages/cli/src/cli.js b/packages/cli/src/cli.js
index 24e22c1..2da197d 100755
--- a/packages/cli/src/cli.js
+++ b/packages/cli/src/cli.js
@@ -12,19 +12,20 @@ export default class Cli {
 	/** @type {import('./types').Config[]} */
 	configs;
 
+	/** @type {string[] | undefined} */
+	#packagesPatterns;
+
 	/**
 	 * @param {{
-	 * 	configs: import('./types').Config[]
+	 * 	configs: import('./types').Config[],
 	 * 	packages?: string[],
-	 * 	workspace?: import('./types').Package[],
 	 * 	directory?: string,
-	 * 	debug?: boolean,
 	 * }} options - Cli options
 	 */
 	constructor(options) {
+		this.#packagesPatterns = options.packages;
 		this.configs = options?.configs;
 		this.dir = path.normalize(options.directory ?? this.dir);
-		this.debug = options.debug ?? this.debug;
 	}
 
 	/**
@@ -136,7 +137,7 @@ export default class Cli {
 	}
 
 	async run() {
-		let packages = await new Workspace(this.dir).getPackages();
+		let packages = await new Workspace(this.dir, this.#packagesPatterns).getPackages();
 
 		packages = packages.map(
 			pkg => {
@@ -144,8 +145,7 @@ export default class Cli {
 			},
 		);
 
-		console.log(packages.length);
-		console.log(this.generateConfigMap(packages));
+		console.log(packages);
 
 	}
 }
diff --git a/packages/cli/src/index.js b/packages/cli/src/index.js
index 71d2979..454f4a8 100755
--- a/packages/cli/src/index.js
+++ b/packages/cli/src/index.js
@@ -1,5 +1,12 @@
 import Cli from './cli.js';
 import configs from './configs.js';
+import { program } from 'commander';
 
-const cli = new Cli({ configs });
+program.option('--packages <string...>');
+
+program.parse(process.argv);
+/** @type {{ packages?: string[] } & import('commander').OptionValues} */
+const options = program.opts();
+
+const cli = new Cli({ configs, packages: options.packages });
 await cli.run();
diff --git a/packages/cli/src/workspace.js b/packages/cli/src/workspace.js
index a3b1f08..1bbaad1 100644
--- a/packages/cli/src/workspace.js
+++ b/packages/cli/src/workspace.js
@@ -56,14 +56,14 @@ async function getPackageName(directory) {
 }
 
 export default class Workspace {
-	/** @type {{files: string[], directories: string[]} | undefined} */
-	paths;
 
 	/**
 	 * @param {string} directory - The directory to get the workspace from
+	 * @param {string[]} [packagePatterns] - List of package patterns
 	 */
-	constructor(directory) {
+	constructor(directory, packagePatterns) {
 		this.dir = directory;
+		this.packagePatterns = packagePatterns;
 	}
 
 	/**
@@ -109,9 +109,6 @@ export default class Workspace {
 		};
 	}
 
-	/** @type {string[] | undefined} */
-	packages;
-
 	/**
 	 * @returns {Promise<string[]>} - List of packages on a directory;
 	 */
@@ -160,11 +157,9 @@ export default class Workspace {
 	async getPackages() {
 
 		const paths = await this.getPaths();
-		const packagePatterns = await this.getPackagePatterns();
+		const packagePatterns = this.packagePatterns ?? await this.getPackagePatterns();
 		const packagePaths = paths.directories.filter(d => picomatch.isMatch(d, packagePatterns));
 
-		console.log(packagePatterns);
-
 		/** @type {import('./types').Package} */
 		const rootPackage = {
 			root: true,
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 727fcda..5edc700 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,6 +43,12 @@ importers:
         specifier: workspace:*
         version: link:../../packages/cli
 
+  fixtures/monorepo:
+    devDependencies:
+      '@eslit/cli':
+        specifier: workspace:*
+        version: link:../../packages/cli
+
   fixtures/svelte:
     devDependencies:
       '@eslit/cli':
@@ -93,6 +99,9 @@ importers:
 
   packages/cli:
     dependencies:
+      commander:
+        specifier: ^11.0.0
+        version: 11.0.0
       magic-string:
         specifier: ^0.30.2
         version: 0.30.2
@@ -1426,6 +1435,11 @@ packages:
   /color-name@1.1.4:
     resolution: {integrity: sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==}
 
+  /commander@11.0.0:
+    resolution: {integrity: sha512-9HMlXtt/BNoYr8ooyjjNRdIilOTkVJXB+GhxMTtOKwk0R4j4lS4NpjuqmRxroBfnfTSHQIHQB7wryHhXarNjmQ==}
+    engines: {node: '>=16'}
+    dev: false
+
   /comment-parser@1.3.1:
     resolution: {integrity: sha512-B52sN2VNghyq5ofvUsqZjmk6YkihBX5vMSChmSK9v4ShjKf3Vk5Xcmgpw4o+iIgtrnM/u5FiMpz9VKb8lpBveA==}
     engines: {node: '>= 12.0.0'}