diff --git a/modules/argon2/package.json b/modules/argon2/package.json
index 7be57acaee..3337d020f6 100644
--- a/modules/argon2/package.json
+++ b/modules/argon2/package.json
@@ -6,6 +6,7 @@
   "types": "index.d.ts",
   "exports": {
     ".": {
+      "types": "./index.d.ts",
       "import": "./index.mjs",
       "require": "./argon2.umd.min.js"
     }