diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..a4d0534
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1 @@
+export default function accept(file: { name?: string, type?: string }, acceptedFiles: string | string[]): boolean;
diff --git a/package.json b/package.json
index 162317e..d6205b9 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "description": "JavaScript implementation of the \"accept\" attribute for HTML5 <input type=\"file\">",
   "version": "0.0.0-development",
   "main": "dist/index.js",
+  "types": "index.d.ts",
   "scripts": {
     "build": "webpack -p",
     "prepublish": "npm test && npm run build",