diff --git a/src/util/customTransforrmationsStore.js b/src/util/customTransforrmationsStore.js
index 46e2b9c9b5..08d417c07c 100644
--- a/src/util/customTransforrmationsStore.js
+++ b/src/util/customTransforrmationsStore.js
@@ -4,7 +4,7 @@ const logger = require('../logger');
 const { responseStatusHandler } = require('./utils');
 const stats = require('./stats');
 
-const myCache = new NodeCache();
+const myCache = new NodeCache({ stdTTL: 60 * 60 * 24 * 1 });
 
 // const CONFIG_BACKEND_URL = "http://localhost:5000";
 const CONFIG_BACKEND_URL = process.env.CONFIG_BACKEND_URL || 'https://api.rudderlabs.com';
diff --git a/src/util/eventValidation.js b/src/util/eventValidation.js
index a920b9bde5..68d895dcc5 100644
--- a/src/util/eventValidation.js
+++ b/src/util/eventValidation.js
@@ -10,9 +10,10 @@ const hash = require('object-hash');
 const logger = require('../logger');
 const trackingPlan = require('./trackingPlan');
 
+const SECONDS_IN_DAY = 60 * 60 * 24 * 1;
 const eventSchemaCache = new NodeCache();
-const ajv19Cache = new NodeCache({ useClones: false });
-const ajv4Cache = new NodeCache({ useClones: false });
+const ajv19Cache = new NodeCache({ useClones: false, stdTTL: SECONDS_IN_DAY });
+const ajv4Cache = new NodeCache({ useClones: false, stdTTL: SECONDS_IN_DAY });
 const { isEmptyObject } = require('../v0/util');
 
 const defaultOptions = {