diff --git a/scripts/deploy_preview.sh b/scripts/deploy_preview.sh
index 7c4000272996..7aa67287ab82 100755
--- a/scripts/deploy_preview.sh
+++ b/scripts/deploy_preview.sh
@@ -38,7 +38,7 @@ export DBNAME=ce"$PULL_REQUEST_NUMBER"
 export DOMAINNAME=ce-"$PULL_REQUEST_NUMBER".dp.appsmith.com
 export HELMCHART="appsmith"
 export HELMCHART_URL="http://helm-ee.appsmith.com"
-export HELMCHART_VERSION="3.0.7"
+export HELMCHART_VERSION="3.1.1"
 
 
 aws eks update-kubeconfig --region $region --name $cluster_name --profile eksci
@@ -97,10 +97,10 @@ helm upgrade -i $CHARTNAME appsmith-ee/$HELMCHART -n $NAMESPACE --create-namespa
   --set persistence.efs.driver=efs.csi.aws.com --set persistence.storageClass=efs-dp-appsmith \
   --set persistence.efs.volumeHandle=$DP_EFS_ID:/ce/ce$PULL_REQUEST_NUMBER \
   --set resources.requests.cpu="1m" \
-  --set resources.requests.memory="1Mi" \
+  --set resources.requests.memory="2048Mi" \
   --set applicationConfig.APPSMITH_SENTRY_DSN="https://abf15a075d1347969df44c746cca7eaa@o296332.ingest.sentry.io/1546547" \
   --set applicationConfig.APPSMITH_SENTRY_ENVIRONMENT="$NAMESPACE" \
-  --set applicationConfig.APPSMITH_MONGODB_URI="mongodb+srv://$DB_USERNAME:$DB_PASSWORD@$DB_URL/$DBNAME?retryWrites=true&minPoolSize=1&maxPoolSize=10&maxIdleTimeMS=900000&authSource=admin" \
+  --set applicationConfig.APPSMITH_DB_URL="mongodb+srv://$DB_USERNAME:$DB_PASSWORD@$DB_URL/$DBNAME?retryWrites=true&minPoolSize=1&maxPoolSize=10&maxIdleTimeMS=900000&authSource=admin" \
   --set applicationConfig.APPSMITH_DISABLE_EMBEDDED_KEYCLOAK=\"1\" \
   --set applicationConfig.APPSMITH_CUSTOMER_PORTAL_URL="https://release-customer.appsmith.com" \
   --version $HELMCHART_VERSION