diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..89a3eca
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,29 @@
+import type MarkdownIt from "markdown-it";
+
+export interface TaskListsOptions {
+  /**
+   * Whether checkboxes are enabled (not disabled).
+   * @default false
+   */
+  enabled?: boolean;
+
+  /**
+   * Wrap the checkbox and text in a <label> element.
+   * @default false
+   */
+  label?: boolean;
+
+  /**
+   * Add the label after the checkbox with a `for` attribute.
+   * Only applies when `label` is true.
+   * @default false
+   */
+  labelAfter?: boolean;
+}
+
+declare function markdownItTaskLists(
+  md: MarkdownIt,
+  options?: TaskListsOptions
+): void;
+
+export default markdownItTaskLists;
diff --git a/package.json b/package.json
index a82985d..f33016f 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "2.1.1",
   "description": "A markdown-it plugin to create GitHub-style task lists",
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
     "test": "mocha --timeout 5000",
     "clean": "rm -Rf dist && mkdir dist",