diff --git a/packages/better-auth/package.json b/packages/better-auth/package.json
index 08edb7b3..2414f267 100644
--- a/packages/better-auth/package.json
+++ b/packages/better-auth/package.json
@@ -29,7 +29,7 @@
     "prepare": "prisma generate --schema ./src/adapters/prisma-adapter/test/base.prisma",
     "typecheck": "tsc --project tsconfig.json"
   },
-  "main": "./dist/index.cjs",
+  "main": "./dist/index.mjs",
   "module": "./dist/index.mjs",
   "exports": {
     ".": {
diff --git a/packages/cli/package.json b/packages/cli/package.json
index 853fccbd..209f35f6 100644
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,6 +1,7 @@
 {
   "name": "@better-auth/cli",
   "version": "1.4.0-beta.9",
+  "type": "module",
   "description": "The CLI for Better Auth",
   "module": "dist/index.mjs",
   "repository": {
diff --git a/packages/core/package.json b/packages/core/package.json
index bb9edb36..6435b98e 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -3,7 +3,7 @@
   "version": "1.4.0-beta.9",
   "description": "The most comprehensive authentication library for TypeScript.",
   "type": "module",
-  "main": "./dist/index.cjs",
+  "main": "./dist/index.mjs",
   "module": "./dist/index.mjs",
   "exports": {
     ".": {
diff --git a/packages/expo/package.json b/packages/expo/package.json
index e52dacfd..af526d19 100644
--- a/packages/expo/package.json
+++ b/packages/expo/package.json
@@ -1,8 +1,9 @@
 {
   "name": "@better-auth/expo",
   "version": "1.4.0-beta.9",
+  "type": "module",
   "description": "",
-  "main": "dist/index.cjs",
+  "main": "dist/index.mjs",
   "module": "dist/index.mjs",
   "repository": {
     "type": "git",
diff --git a/packages/sso/package.json b/packages/sso/package.json
index d2e20416..5f32ea02 100644
--- a/packages/sso/package.json
+++ b/packages/sso/package.json
@@ -2,7 +2,8 @@
   "name": "@better-auth/sso",
   "author": "Bereket Engida",
   "version": "1.4.0-beta.9",
-  "main": "dist/index.cjs",
+  "type": "module",
+  "main": "dist/index.mjs",
   "license": "MIT",
   "keywords": [
     "sso",
diff --git a/packages/stripe/package.json b/packages/stripe/package.json
index 3fae5814..bbec7f6c 100644
--- a/packages/stripe/package.json
+++ b/packages/stripe/package.json
@@ -2,7 +2,8 @@
   "name": "@better-auth/stripe",
   "author": "Bereket Engida",
   "version": "1.4.0-beta.9",
-  "main": "dist/index.cjs",
+  "type": "module",
+  "main": "dist/index.mjs",
   "license": "MIT",
   "keywords": [
     "stripe",
diff --git a/packages/telemetry/package.json b/packages/telemetry/package.json
index 22dc830a..9e9020c1 100644
--- a/packages/telemetry/package.json
+++ b/packages/telemetry/package.json
@@ -3,7 +3,7 @@
   "version": "1.4.0-beta.9",
   "description": "Telemetry package for Better Auth",
   "type": "module",
-  "main": "./dist/index.cjs",
+  "main": "./dist/index.mjs",
   "module": "./dist/index.mjs",
   "exports": {
     ".": {