diff --git a/README.md b/README.md
index 6014539..21adaaa 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ You can use this library as common pre-built .js ([choose there](target)).
 
 Or you can install it with nodejs and that import as es6 (or .ts) module. See below. 
 
-`npm install api-ai-javascript@2.0.0-beta.14`
+`npm install api-ai-javascript@2.0.0-beta.21`
 
 
 # Usage
@@ -122,4 +122,4 @@ See [LICENSE](LICENSE).
 ## Terms
 Your use of this sample is subject to, and by using or downloading the sample files you agree to comply with, the [Google APIs Terms of Service](https://developers.google.com/terms/).
 
-This is not an official Google product.
\ No newline at end of file
+This is not an official Google product.