diff --git a/.env.example b/.env.example
index 4bbc86b2fa..2b11dc359a 100644
--- a/.env.example
+++ b/.env.example
@@ -660,6 +660,10 @@ HELP_AND_FAQ_URL=https://librechat.ai
 # REDIS_URI=rediss://127.0.0.1:6380
 # REDIS_CA=/path/to/ca-cert.pem
 
+# Elasticache may need to use an alternate dnsLookup for TLS connections.  see "Special Note: Aws Elasticache Clusters with TLS" on this webpage: https://www.npmjs.com/package/ioredis
+# Enable alternative dnsLookup for redis
+# REDIS_USE_ALTERNATIVE_DNS_LOOKUP=true
+
 # Redis authentication (if required)
 # REDIS_USERNAME=your_redis_username
 # REDIS_PASSWORD=your_redis_password
diff --git a/api/cache/cacheConfig.js b/api/cache/cacheConfig.js
index 79cba9fc54..613cfec74b 100644
--- a/api/cache/cacheConfig.js
+++ b/api/cache/cacheConfig.js
@@ -52,6 +52,9 @@ const cacheConfig = {
   REDIS_CONNECT_TIMEOUT: math(process.env.REDIS_CONNECT_TIMEOUT, 10000),
   /** Queue commands when disconnected */
   REDIS_ENABLE_OFFLINE_QUEUE: isEnabled(process.env.REDIS_ENABLE_OFFLINE_QUEUE ?? 'true'),
+  /** flag to modify redis connection by adding dnsLookup this is required when connecting to elasticache for ioredis
+   * see "Special Note: Aws Elasticache Clusters with TLS" on this webpage:  https://www.npmjs.com/package/ioredis **/
+  REDIS_USE_ALTERNATIVE_DNS_LOOKUP: isEnabled(process.env.REDIS_USE_ALTERNATIVE_DNS_LOOKUP),
   /** Enable redis cluster without the need of multiple URIs */
   USE_REDIS_CLUSTER: isEnabled(process.env.USE_REDIS_CLUSTER ?? 'false'),
   CI: isEnabled(process.env.CI),
diff --git a/api/cache/redisClients.js b/api/cache/redisClients.js
index 83af0c38e3..ab59656add 100644
--- a/api/cache/redisClients.js
+++ b/api/cache/redisClients.js
@@ -53,6 +53,9 @@ if (cacheConfig.USE_REDIS) {
       : new IoRedis.Cluster(
           urls.map((url) => ({ host: url.hostname, port: parseInt(url.port, 10) || 6379 })),
           {
+            ...(cacheConfig.REDIS_USE_ALTERNATIVE_DNS_LOOKUP
+              ? { dnsLookup: (address, callback) => callback(null, address) }
+              : {}),
             redisOptions,
             clusterRetryStrategy: (times) => {
               if (