diff --git a/package.json b/package.json
index 58672737..50eb3cd0 100644
--- a/package.json
+++ b/package.json
@@ -51,9 +51,11 @@
     "read-dir-files": "^0.1.1",
     "standard": "^17.0.0"
   },
+  "main": "./lib/index.js",
+  "module": "./lib/esm.mjs",
   "exports": {
-    ".": "./lib/index.js",
-    "./esm": "./lib/esm.mjs"
+    "require": "./lib/index.js",
+    "import": "./lib/esm.mjs"
   },
   "files": [
     "lib/",