diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..6c6c663
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,5 @@
+export const WORD_HIGHLIGHTER: string;
+export function registerColors(newColors: string[]): void;
+export const colors: string[];
+export function renderHtml(block: string): string;
+export function generateCss(): string;
diff --git a/package.json b/package.json
index 9f6122c..05c2561 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "version": "0.1.4",
   "description": "Highlight plaintext words of your choosing",
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
     "test": "jest",
     "lint": "eslint ./src/**/*.js ./index.js",