diff --git a/.eslintrc b/.eslintrc
index c6fb3d4..a0a1aef 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -6,7 +6,6 @@
 	],
 	"rules":
 	{
-		"@typescript-eslint/ban-ts-comment": "warn",
-		"unicorn/prefer-at": "warn"
+		"@typescript-eslint/ban-ts-comment": "warn"
 	}
 }
diff --git a/.mocharc.json b/.mocharc.json
index e8d9cab..681c82a 100644
--- a/.mocharc.json
+++ b/.mocharc.json
@@ -5,8 +5,8 @@
 	],
 	"node-option":
 	[
-		"experimental-specifier-resolution=node",
-		"loader=ts-node/esm"
+		"experimental-specifier-resolution node",
+		"loader ts-node/esm"
 	],
 	"spec": "tests/**/*.spec.ts"
 }
diff --git a/package.json b/package.json
index b035617..775be33 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,9 @@
 {
 	"name": "@isnotdefined/stylelint-plugin",
 	"description": "Yet another Stylelint plugin",
-	"version": "3.1.0",
+	"version": "4.0.0-beta.1",
 	"license": "MIT",
+	"type": "module",
 	"keywords":
 	[
 		"stylelint",
@@ -32,30 +33,30 @@
 	},
 	"peerDependencies":
 	{
-		"stylelint": "^15"
+		"stylelint": "^16"
 	},
 	"devDependencies":
 	{
-		"@isnotdefined/eslint-config": "8.1.0",
+		"@isnotdefined/eslint-config": "9.8.0",
 		"@types/chai": "4.3.11",
 		"@types/mocha": "10.0.6",
-		"@types/node": "20.10.0",
-		"@types/postcss-plugins": "1.13.0",
-		"chai": "4.3.7",
-		"eslint": "8.34.0",
+		"@types/node": "20.10.4",
+		"@types/postcss-plugins": "1.13.2",
+		"chai": "4.3.10",
+		"eslint": "8.55.0",
 		"mocha": "10.2.0",
-		"rollup": "2.79.1",
-		"rollup-plugin-copy": "3.4.0",
+		"rollup": "4.8.0",
+		"rollup-plugin-copy": "3.5.0",
 		"rollup-plugin-delete": "2.0.0",
-		"rollup-plugin-ts": "3.1.1",
-		"stylelint": "15.11.0",
-		"ts-node": "10.9.1",
-		"typescript": "4.9.5"
+		"rollup-plugin-ts": "3.4.5",
+		"stylelint": "16.0.2",
+		"ts-node": "10.9.2",
+		"typescript": "5.3.3"
 	},
 	"scripts":
 	{
-		"build": "rollup --config=rollup.config.js",
-		"lint": "eslint src tests --ext=.ts",
+		"build": "rollup --config rollup.config.js",
+		"lint": "eslint src tests --ext .ts",
 		"fix": "npm run lint -- --fix",
 		"test": "mocha"
 	},
diff --git a/rollup.config.js b/rollup.config.js
index 99dabad..95feb3f 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,7 +1,7 @@
 import del from 'rollup-plugin-delete';
 import ts from 'rollup-plugin-ts';
 import copy from 'rollup-plugin-copy';
-import PACKAGE from './package.json';
+import PACKAGE from './package.json' assert { type: 'json' };
 
 export default
 {
diff --git a/src/rules/no-disable/rule.ts b/src/rules/no-disable/rule.ts
index 888278b..ccae578 100644
--- a/src/rules/no-disable/rule.ts
+++ b/src/rules/no-disable/rule.ts
@@ -1,8 +1,10 @@
 import { Root } from 'postcss';
 import stylelint, { Rule, PostcssResult } from 'stylelint';
+
+import { wording } from '../wording';
+
 import { defaultOptions } from './option';
 import { Options } from './option.interface';
-import { wording } from '../wording';
 
 const { utils, createPlugin } : typeof stylelint = stylelint;
 const ruleName : string = '@isnotdefined/no-disable';
@@ -30,7 +32,7 @@ function rule(primaryOptions : Options)
 		{
 			root.walkComments(comment =>
 			{
-				if (options.commands.includes(comment.text.split(' ')[0]))
+				if (options.commands.includes(comment.text.split(' ').at(0)))
 				{
 					utils.report(
 					{
diff --git a/src/rules/no-obsolete/rule.ts b/src/rules/no-obsolete/rule.ts
index a9777db..6a4bb6c 100644
--- a/src/rules/no-obsolete/rule.ts
+++ b/src/rules/no-obsolete/rule.ts
@@ -1,8 +1,10 @@
 import { Root } from 'postcss';
 import stylelint, { Rule, RuleContext, PostcssResult } from 'stylelint';
+
+import { wording } from '../wording';
+
 import { defaultOptions } from './option';
 import { Options, AtRule, Property } from './option.interface';
-import { wording } from '../wording';
 
 const { utils, createPlugin } : typeof stylelint = stylelint;
 const ruleName : string = '@isnotdefined/no-obsolete';
diff --git a/src/rules/unit-step/rule.ts b/src/rules/unit-step/rule.ts
index 2ec28f4..1b58df8 100644
--- a/src/rules/unit-step/rule.ts
+++ b/src/rules/unit-step/rule.ts
@@ -1,9 +1,11 @@
 import { Root } from 'postcss';
 import { ContainerBase, parse } from 'postcss-values-parser';
 import stylelint, { Rule, RuleContext, PostcssResult } from 'stylelint';
+
+import { wording } from '../wording';
+
 import { defaultOptions } from './option';
 import { Options } from './option.interface';
-import { wording } from '../wording';
 
 const { utils, createPlugin } : typeof stylelint = stylelint;
 const ruleName : string = '@isnotdefined/unit-step';
diff --git a/tests/no-disable.spec.ts b/tests/no-disable.spec.ts
index 8ce6af1..70a18d0 100644
--- a/tests/no-disable.spec.ts
+++ b/tests/no-disable.spec.ts
@@ -31,7 +31,7 @@ describe('no-disable', () =>
 				}
 			});
 
-			expect(linterResult.results[0]._postcssResult.messages[index].text).to.equal(message);
+			expect(linterResult.results.at(0)._postcssResult.messages[index].text).to.equal(message);
 		});
 	});
 });
diff --git a/tests/no-obsolete.spec.ts b/tests/no-obsolete.spec.ts
index 8e297eb..760bd4e 100644
--- a/tests/no-obsolete.spec.ts
+++ b/tests/no-obsolete.spec.ts
@@ -1,5 +1,6 @@
 import { expect } from 'chai';
 import stylelint, { LinterResult } from 'stylelint';
+
 const { lint } : typeof stylelint = stylelint;
 
 describe('no-obsolete', () =>
@@ -59,7 +60,7 @@ describe('no-obsolete', () =>
 				}
 			});
 
-			expect(linterResult.results[0]._postcssResult.messages[index].text).to.equal(message);
+			expect(linterResult.results.at(0)._postcssResult.messages[index].text).to.equal(message);
 		});
 	});
 });
diff --git a/tests/unit-step.spec.ts b/tests/unit-step.spec.ts
index 6f1134e..efd84c3 100644
--- a/tests/unit-step.spec.ts
+++ b/tests/unit-step.spec.ts
@@ -31,7 +31,7 @@ describe('unit-step', () =>
 				}
 			});
 
-			expect(linterResult.results[0]._postcssResult.messages[index].text).to.equal(message);
+			expect(linterResult.results.at(0)._postcssResult.messages[index].text).to.equal(message);
 		});
 	});
 });
diff --git a/tsconfig.json b/tsconfig.json
index 361070b..3651793 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,7 +3,7 @@
 	{
 		"outDir": "build",
 		"target": "es2015",
-		"module": "commonjs",
+		"module": "esnext",
 		"moduleResolution": "node",
 		"declaration": true,
 		"esModuleInterop": true