diff --git a/build/build.lib.js b/build/build.lib.mjs
similarity index 88%
rename from build/build.lib.js
rename to build/build.lib.mjs
index c47f24bf..23f72dea 100644
--- a/build/build.lib.js
+++ b/build/build.lib.mjs
@@ -1,5 +1,5 @@
-const { build } = require("vite");
-const getLibConfig = require("./vite.config.lib.provider");
+import { build } from "vite";
+import getLibConfig from "./vite.config.lib.provider.mjs";
 
 const entries = [
   "UiAlert",
diff --git a/build/options.js b/build/options.js
deleted file mode 100644
index 9c538c87..00000000
--- a/build/options.js
+++ /dev/null
@@ -1,35 +0,0 @@
-const path = require("path");
-
-const version = require("./version");
-
-const banner =
-  "/*!\n" +
-  " * Keen UI v" +
-  version +
-  " (https://github.com/JosephusPaye/keen-ui)\n" +
-  " * (c) " +
-  new Date().getFullYear() +
-  " Josephus Paye II\n" +
-  " * Released under the MIT License.\n" +
-  " */";
-
-module.exports = {
-  banner,
-
-  paths: {
-    src: {
-      main: path.join(__dirname, "..", "src"),
-      docs: path.join(__dirname, "..", "docs-src"),
-    },
-
-    output: {
-      main: path.join(__dirname, "..", "dist"),
-      lib: path.join(__dirname, "..", "lib"),
-      docs: path.join(__dirname, "..", "docs"),
-    },
-
-    resolve(location) {
-      return path.join(__dirname, "..", location);
-    },
-  },
-};
diff --git a/build/options.mjs b/build/options.mjs
new file mode 100644
index 00000000..bf381d19
--- /dev/null
+++ b/build/options.mjs
@@ -0,0 +1,39 @@
+import { join, dirname } from "path";
+import { fileURLToPath } from 'url';
+
+import version from "./version.mjs";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const banner =
+  "/*!\n" +
+  " * Keen UI v" +
+  version +
+  " (https://github.com/JosephusPaye/keen-ui)\n" +
+  " * (c) " +
+  new Date().getFullYear() +
+  " Josephus Paye II\n" +
+  " * Released under the MIT License.\n" +
+  " */";
+
+export default {
+  banner,
+
+  paths: {
+    src: {
+      main: join(__dirname, "..", "src"),
+      docs: join(__dirname, "..", "docs-src"),
+    },
+
+    output: {
+      main: join(__dirname, "..", "dist"),
+      lib: join(__dirname, "..", "lib"),
+      docs: join(__dirname, "..", "docs"),
+    },
+
+    resolve(location) {
+      return join(__dirname, "..", location);
+    },
+  },
+};
diff --git a/build/version.js b/build/version.mjs
similarity index 83%
rename from build/version.js
rename to build/version.mjs
index 61881e38..9945eeb0 100644
--- a/build/version.js
+++ b/build/version.mjs
@@ -1,3 +1,3 @@
 // Hardcoding here (and not reading from package.json) as the files are built
 // before the version is updated in package.json
-module.exports = "1.4.0";
+export default "1.4.0";
diff --git a/build/vite.config.dist.js b/build/vite.config.dist.mjs
similarity index 82%
rename from build/vite.config.dist.js
rename to build/vite.config.dist.mjs
index 519ed5e9..12916fa8 100644
--- a/build/vite.config.dist.js
+++ b/build/vite.config.dist.mjs
@@ -1,8 +1,9 @@
-const { defineConfig } = require("vite");
-const vue = require("@vitejs/plugin-vue");
-const banner = require("vite-plugin-banner");
-const options = require("./options");
-const autoprefixer = require("autoprefixer");
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import banner from "vite-plugin-banner";
+import autoprefixer from "autoprefixer";
+
+import options from "./options.mjs";
 
 export default defineConfig(({ mode }) => {
   const filename = mode === "production" ? "keen-ui.min" : "keen-ui";
diff --git a/build/vite.config.docs.js b/build/vite.config.docs.mjs
similarity index 76%
rename from build/vite.config.docs.js
rename to build/vite.config.docs.mjs
index bf91f813..9bd8247f 100644
--- a/build/vite.config.docs.js
+++ b/build/vite.config.docs.mjs
@@ -1,8 +1,9 @@
-const { fileURLToPath, URL } = require("url");
-const { defineConfig } = require("vite");
-const vue = require("@vitejs/plugin-vue");
-const options = require("./options");
-const autoprefixer = require("autoprefixer");
+import { fileURLToPath, URL } from "url";
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import autoprefixer from "autoprefixer";
+
+import options from "./options.mjs";
 
 export default defineConfig({
   plugins: [vue()],
diff --git a/build/vite.config.lib.provider.js b/build/vite.config.lib.provider.mjs
similarity index 78%
rename from build/vite.config.lib.provider.js
rename to build/vite.config.lib.provider.mjs
index cbaf4fbd..a8626b6f 100644
--- a/build/vite.config.lib.provider.js
+++ b/build/vite.config.lib.provider.mjs
@@ -1,9 +1,10 @@
-const vue = require("@vitejs/plugin-vue");
-const banner = require("vite-plugin-banner");
-const options = require("./options");
-const autoprefixer = require("autoprefixer");
+import vue from "@vitejs/plugin-vue";
+import banner from "vite-plugin-banner";
+import autoprefixer from "autoprefixer";
 
-module.exports = ({ entry, mode }) => {
+import options from "./options.mjs";
+
+export default ({ entry, mode }) => {
   const outDir = options.paths.output.lib;
 
   return {
diff --git a/docs-src/App.vue b/docs-src/App.vue
index 4216101e..efb76769 100644
--- a/docs-src/App.vue
+++ b/docs-src/App.vue
@@ -38,7 +38,7 @@
 import DocsNavbar from "./DocsNavbar.vue";
 import DocsSidebar from "./DocsSidebar.vue";
 
-import version from "../build/version";
+import version from "../build/version.mjs";
 
 export default {
   components: {
diff --git a/package.json b/package.json
index 925ab236..a90ec04c 100644
--- a/package.json
+++ b/package.json
@@ -4,12 +4,12 @@
   "description": "Keen UI is a Vue.js UI library with a simple API, inspired by Google's Material Design.",
   "main": "dist/keen-ui.js",
   "scripts": {
-    "dev": "vite serve --config build/vite.config.docs.js docs-src",
-    "build:dist": "vite build --config build/vite.config.dist.js --mode development",
-    "build:dist:prod": "vite build --config build/vite.config.dist.js",
-    "build:lib": "cross-env NODE_ENV=development node build/build.lib.js",
-    "build:lib:prod": "node build/build.lib.js",
-    "build:docs": "vite build --config build/vite.config.docs.js docs-src",
+    "dev": "vite serve --config build/vite.config.docs.mjs docs-src",
+    "build:dist": "vite build --config build/vite.config.dist.mjs --mode development",
+    "build:dist:prod": "vite build --config build/vite.config.dist.mjs",
+    "build:lib": "cross-env NODE_ENV=development node build/build.lib.mjs",
+    "build:lib:prod": "node build/build.lib.mjs",
+    "build:docs": "vite build --config build/vite.config.docs.mjs docs-src",
     "build:all": "npm run build:dist && npm run build:lib && npm run build:docs",
     "build:all:prod": "npm run build:dist:prod && npm run build:lib:prod && npm run build:docs",
     "clean": "rimraf ./dist ./lib ./docs",