diff --git a/backend/bun.lockb b/backend/bun.lockb
index 6bcabc8..b3bc03a 100755
Binary files a/backend/bun.lockb and b/backend/bun.lockb differ
diff --git a/backend/package.json b/backend/package.json
index 6ef2798..f0dd4bc 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -25,6 +25,7 @@
     "elysia-rate-limit": "^3.2.2",
     "logestic": "^1.1.1",
     "lucia": "^3.2.0",
+    "moment": "^2.30.1",
     "pg": "^8.11.5",
     "postgres": "^3.4.4",
     "react": "^18.3.1",
diff --git a/backend/src/routes/oauth/callback/index.ts b/backend/src/routes/oauth/callback/index.ts
index 8ae102b..0d0e9e5 100644
--- a/backend/src/routes/oauth/callback/index.ts
+++ b/backend/src/routes/oauth/callback/index.ts
@@ -6,6 +6,7 @@ import { eq } from 'drizzle-orm'
 import { users } from '@/db/schema'
 import { lucia } from '@/utils/lucia'
 import { t } from 'elysia'
+import moment from 'moment'
 
 export default (app: ElysiaApp) =>
 	app.get(
@@ -52,6 +53,15 @@ export default (app: ElysiaApp) =>
 								username: githubData.login,
 								email: githubData.email || '',
 								profilePictureUrl: githubData.avatar_url,
+								subscriptionExpirationDate: moment
+									.utc()
+									.add(3, 'd')
+									.set('hour', 0)
+									.set('minute', 0)
+									.set('second', 0)
+									.set('millisecond', 0)
+									.toDate()
+									.toISOString(),
 							})
 							.returning({ id: users.id })