diff --git a/cli.js b/cli.js
index 80de01e..2f9b6c6 100644
--- a/cli.js
+++ b/cli.js
@@ -3,25 +3,26 @@
 'use strict';
 
 const path = require('path');
-const commander = require('commander');
+const { program } = require('commander');
 const chalk = require('chalk');
 const { version } = require('./package.json');
 const fusv = require('.');
 
-commander
+program
     .usage('[options] <folders...>')
     .version(version, '-v, --version')
-    .option('-i, --ignore <ignoredVars>', 'ignore variables, comma separated')
+    .option('-i, --ignore <ignoredVars>', 'ignore variables, comma separated', '')
     .parse(process.argv);
 
-function main(args) {
-    const ignore = commander.ignore ? commander.ignore.split(',') : [];
+function main() {
+    const directories = program.args;
+    const ignore = program.opts().ignore.split(',');
 
     console.log('Looking for unused variables');
 
     let unusedList = [];
 
-    const results = Promise.all(args.map(path => executeForPath(path, ignore)));
+    const results = Promise.all(directories.map(path => executeForPath(path, ignore)));
 
     results.catch(error => {
         console.log(chalk.redBright(error.message));
@@ -70,10 +71,10 @@ const executeForPath = (arg, ignore) => {
     });
 };
 
-const args = commander.args.filter(arg => typeof arg === 'string');
+const args = program.args.filter(arg => typeof arg === 'string');
 
 if (args.length > 0) {
-    main(args);
+    main();
 } else {
-    commander.help();
+    program.help();
 }
diff --git a/package-lock.json b/package-lock.json
index db28f7a..e98964a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1316,9 +1316,9 @@
       "integrity": "sha512-puCDz0CzydiSYOrnXpz/PKd69zRrribezjtE9yd4zvytoRc8+RY/KJPvtPFKZS3E3wP6neGyMe0vOTlHO5L3Pw=="
     },
     "commander": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-5.1.0.tgz",
-      "integrity": "sha512-P0CysNDQ7rtVw4QIQtm+MRxV66vKFSvlsQvGYXZWR3qFU0jlMKHZZZgw8e+8DSah4UDKMqnknRDQz+xuQXQ/Zg=="
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-7.1.0.tgz",
+      "integrity": "sha512-pRxBna3MJe6HKnBGsDyMv8ETbptw3axEdYHoqNh7gu5oDcew8fs0xnivZGm06Ogk8zGAJ9VX+OPEr2GXEQK4dg=="
     },
     "commondir": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 5915efb..eb07ac7 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "lint": "npm run xo",
     "test": "npm run xo && npm run test:integration",
     "test:integration": "node tests/integration.js",
+    "check": "node ./cli.js tests/ tests2/ -i '$a' ",
     "xo": "xo"
   },
   "repository": {
@@ -29,7 +30,7 @@
   "homepage": "https://github.com/XhmikosR/find-unused-sass-variables#readme",
   "dependencies": {
     "chalk": "^4.1.0",
-    "commander": "^5.1.0",
+    "commander": "^7.1.0",
     "escape-string-regexp": "^4.0.0",
     "glob": "^7.1.6",
     "postcss": "^8.2.6",