diff --git a/apps/web/actions.ts b/apps/web/actions.ts
index 1959860..8ef91d3 100644
--- a/apps/web/actions.ts
+++ b/apps/web/actions.ts
@@ -3,11 +3,14 @@
 import { Redis } from '@upstash/redis'
 import { revalidatePath } from 'next/cache'
 import { cookies } from 'next/headers'
+import { TTL_SECONDS } from '@/constants'
 
 export const saveGeneration = async (data: { sqlSchema: string; cmdCode: string }) => {
   const { cmdCode, sqlSchema } = data
   const redis = Redis.fromEnv()
   const res = await redis.set(cmdCode, sqlSchema)
+  await redis.expire(cmdCode, TTL_SECONDS)
+
   return res
 }
 
diff --git a/apps/web/constants.ts b/apps/web/constants.ts
index 5dfe4e2..7ca27c4 100644
--- a/apps/web/constants.ts
+++ b/apps/web/constants.ts
@@ -2,3 +2,5 @@ export const APP_URL =
   process.env.NODE_ENV === 'development' ? 'http://localhost:3000' : 'https://vdbs.vercel.app/'
 
 export const TOTAL_GENERATIONS = 1
+// 1 hour
+export const TTL_SECONDS = 60 * 60