diff --git a/build.ts b/build.ts
index 0a3bba5f..3fd08f89 100644
--- a/build.ts
+++ b/build.ts
@@ -16,6 +16,6 @@ build({
 
 build({
   ...shared,
-  outfile: 'lib/index.esm.js',
+  outfile: 'lib/index.mjs',
   format: 'esm',
 });
diff --git a/package.json b/package.json
index abdeb947..bcd2042d 100644
--- a/package.json
+++ b/package.json
@@ -4,8 +4,15 @@
   "description": "Thread-safe Helmet for React 16+ and friends",
   "sideEffects": false,
   "main": "./lib/index.js",
-  "module": "./lib/index.esm.js",
+  "module": "./lib/index.mjs",
   "typings": "./lib/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./lib/index.d.ts",
+      "import": "./lib/index.mjs",
+      "require": "./lib/index.js"
+    }
+  },
   "repository": "http://github.com/staylor/react-helmet-async",
   "author": "Scott Taylor <scott.c.taylor@mac.com>",
   "license": "Apache-2.0",