diff --git a/package.json b/package.json
index d5f4ce8..68bbcf6 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "main": "src/main.cjs.js",
   "module": "src/main.es.js",
   "svelte": "src/Portal.svelte",
+  "types": "src/Portal.svelte.d.ts",
   "scripts": {
     "test": "jest test",
     "test:watch": "npm run test -- --watch",
diff --git a/src/Portal.svelte.d.ts b/src/Portal.svelte.d.ts
new file mode 100644
index 0000000..770d6bd
--- /dev/null
+++ b/src/Portal.svelte.d.ts
@@ -0,0 +1,37 @@
+import { SvelteComponentTyped } from "svelte";
+/**
+ * Usage: <div use:portal={'css selector'}> or <div use:portal={document.body}>
+ *
+ * @param {HTMLElement} el
+ * @param {HTMLElement|string} target DOM Element or CSS Selector
+ */
+export declare function portal(
+  el: HTMLElement,
+  target?: HTMLElement | string
+): {
+  update: (newTarget: HTMLElement | string) => Promise<void>;
+  destroy: () => void;
+};
+declare const __propDef: {
+  props: {
+    /**
+     * DOM Element or CSS Selector
+     * @type { HTMLElement|string}
+     */ target?: string | HTMLElement | undefined;
+  };
+  events: {
+    [evt: string]: CustomEvent<any>;
+  };
+  slots: {
+    default: {};
+  };
+};
+export declare type PortalProps = typeof __propDef.props;
+export declare type PortalEvents = typeof __propDef.events;
+export declare type PortalSlots = typeof __propDef.slots;
+export default class Portal extends SvelteComponentTyped<
+  PortalProps,
+  PortalEvents,
+  PortalSlots
+> {}
+export {};