diff --git a/README.md b/README.md
index 15c7e7e..e50231c 100644
--- a/README.md
+++ b/README.md
@@ -137,6 +137,15 @@ const {delete: del} = require('leaistic')
 await del('an-index')
 ```
 
+### Build a new Index name for a given alias (useful to manage some updates on your own)
+```javascript
+const { newIndexName } = require('leaistic')
+
+newIndexName('an-index')
+// 'an-index-1234-12-12t12:34:56.789z'
+```
+
+
 ## ElasticSearch Connection
 
 By default, Leaistic will connect to `http://127.0.0.1:9200` or the value provided by `ES_URL` environment variable.
diff --git a/index.js b/index.js
index 0f1199b..2dd0335 100644
--- a/index.js
+++ b/index.js
@@ -12,6 +12,8 @@ exports.create = (name, {indexTemplate} = {}) => lib.create(name, {body: indexTe
 exports.update = (name, {indexTemplate} = {}) => lib.update(name, {body: indexTemplate})
 exports.delete = name => lib.delete(name)
 
+exports.newIndexName = (aliasName) => lib.suffix(aliasName)
+
 // override ES client or get a reference to it
 exports.connect = connect