diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..d45d8b1
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,9 @@
+import { Node } from 'unist';
+
+declare type TestObj = { [key: string]: unknown };
+declare type TestFn<V extends Node> = (node: V) => boolean;
+
+declare function find<V extends Node>(tree: Node, test: string | TestObj | TestFn<V>): V;
+
+export default find;
+
diff --git a/package.json b/package.json
index 816fccb..68d6a64 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
   "author": "Richard Smith-Unna <rik@fathomlabs.io> @blahah",
   "license": "MIT",
   "devDependencies": {
+    "@types/unist": "^2.0.3",
     "remark": "^7.0.0",
     "standard": "^8.0.0",
     "tape": "^4.6.0"