diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..5243e4b
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,8 @@
+import type * as pirates from 'pirates';
+import type * as sucrase from 'sucrase';
+
+export function addHook(
+	extension: string,
+	options?: sucrase.Options,
+): ReturnType<typeof pirates.addHook>;
+export function defaultHooks(): void;