diff --git a/apps/backend/package.json b/apps/backend/package.json
index bc76d55..396e3af 100644
--- a/apps/backend/package.json
+++ b/apps/backend/package.json
@@ -11,6 +11,7 @@
     "prisma:migrate:deploy": "prisma migrate deploy"
   },
   "dependencies": {
+    "better-auth": "^1.6.11",
     "@noble/ciphers": "^2.1.1",
     "@personal-admin/common": "workspace:*",
     "@prisma/adapter-pg": "^7.8.0",
diff --git a/apps/frontend/package.json b/apps/frontend/package.json
index aa8118d..838567e 100644
--- a/apps/frontend/package.json
+++ b/apps/frontend/package.json
@@ -9,6 +9,7 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "better-auth": "^1.6.11",
     "@hookform/resolvers": "^5.4.0",
     "@personal-admin/common": "workspace:*",
     "@tailwindcss/vite": "^4.3.0",
diff --git a/bun.lockb b/bun.lockb
index 5288251..403cd8b 100755
Binary files a/bun.lockb and b/bun.lockb differ