diff --git a/bud.config.js b/bud.config.js
new file mode 100644
index 0000000..22deb1e
--- /dev/null
+++ b/bud.config.js
@@ -0,0 +1,88 @@
+/**
+ * Build configuration
+ *
+ * @see {@link https://roots.io/docs/sage/ sage documentation}
+ * @see {@link https://bud.js.org/guides/configure/ bud.js configuration guide}
+ *
+ * @typedef {import('@roots/bud').Bud} Bud
+ * @param {Bud} app
+ */
+export default async (app) => {
+  /**
+   * Application entrypoints
+   * @see {@link https://bud.js.org/docs/bud.entry/}
+   */
+  app
+    .entry({
+      app: ['@scripts/app', '@styles/app'],
+      editor: ['@scripts/editor', '@styles/editor'],
+    })
+
+    /**
+     * Directory contents to be included in the compilation
+     * @see {@link https://bud.js.org/docs/bud.assets/}
+     */
+    .assets(['images'])
+
+    /**
+     * Matched files trigger a page reload when modified
+     * @see {@link https://bud.js.org/docs/bud.watch/}
+     */
+    .watch(['resources/views', 'app'])
+
+    /**
+     * Proxy origin (`WP_HOME`)
+     * @see {@link https://bud.js.org/docs/bud.proxy/}
+     */
+    .proxy('http://example.test')
+
+    /**
+     * Development origin
+     * @see {@link https://bud.js.org/docs/bud.serve/}
+     */
+    .serve('http://0.0.0.0:3000')
+
+    /**
+     * URI of the `public` directory
+     * @see {@link https://bud.js.org/docs/bud.setPublicPath/}
+     */
+    .setPublicPath('/app/themes/sage/public/')
+
+    /**
+     * Generate WordPress `theme.json`
+     *
+     * @note This overwrites `theme.json` on every build.
+     *
+     * @see {@link https://bud.js.org/extensions/sage/theme.json/}
+     * @see {@link https://developer.wordpress.org/block-editor/how-to-guides/themes/theme-json/}
+     */
+    .wpjson.settings({
+      color: {
+        custom: false,
+        customDuotone: false,
+        customGradient: false,
+        defaultDuotone: false,
+        defaultGradients: false,
+        defaultPalette: false,
+        duotone: [],
+      },
+      custom: {
+        spacing: {},
+        typography: {
+          'font-size': {},
+          'line-height': {},
+        },
+      },
+      spacing: {
+        padding: true,
+        units: ['px', '%', 'em', 'rem', 'vw', 'vh'],
+      },
+      typography: {
+        customFontSize: false,
+      },
+    })
+    .useTailwindColors()
+    .useTailwindFontFamily()
+    .useTailwindFontSize()
+    .enable();
+};
diff --git a/bud.config.mjs b/bud.config.mjs
deleted file mode 100644
index a1267e1..0000000
--- a/bud.config.mjs
+++ /dev/null
@@ -1,79 +0,0 @@
-// @ts-check
-
-/**
- * Build configuration
- *
- * @see {@link https://bud.js.org/guides/configure}
- * @param {import('@roots/bud').Bud} app
- */
-export default async (app) => {
-  app
-    /**
-     * Application entrypoints
-     */
-    .entry({
-      app: ["@scripts/app", "@styles/app"],
-      editor: ["@scripts/editor", "@styles/editor"],
-    })
-
-    /**
-     * Directory contents to be included in the compilation
-     */
-    .assets(["images"])
-
-    /**
-     * Matched files trigger a page reload when modified
-     */
-    .watch(["resources/views/**/*", "app/**/*"])
-
-    /**
-     * Proxy origin (`WP_HOME`)
-     */
-    .proxy("http://example.test")
-
-    /**
-     * Development origin
-     */
-    .serve("http://0.0.0.0:3000")
-
-    /**
-     * URI of the `public` directory
-     */
-    .setPublicPath("/app/themes/sage/public/")
-
-    /**
-     * Generate WordPress `theme.json`
-     *
-     * @note This overwrites `theme.json` on every build.
-     */
-    .wpjson
-      .settings({
-        color: {
-          custom: false,
-          customDuotone: false,
-          customGradient: false,
-          defaultDuotone: false,
-          defaultGradients: false,
-          defaultPalette: false,
-          duotone: [],
-        },
-        custom: {
-          spacing: {},
-          typography: {
-            'font-size': {},
-            'line-height': {},
-          },
-        },
-        spacing: {
-          padding: true,
-          units: ['px', '%', 'em', 'rem', 'vw', 'vh'],
-        },
-        typography: {
-          customFontSize: false,
-        },
-      })
-      .useTailwindColors()
-      .useTailwindFontFamily()
-      .useTailwindFontSize()
-      .enable()
-};