diff --git a/README.md b/README.md
index 7a11d61ef4..246137e99c 100644
--- a/README.md
+++ b/README.md
@@ -99,7 +99,7 @@ npm install @reactivex/rxjs
 If you are using npm **version 2** before this library has achieved a stable version, you need to specify the library version explicitly:
 
 ```sh
-npm install @reactivex/rxjs@5.0.0-alpha.10
+npm install @reactivex/rxjs@5.0.0-beta.1
 ```
 
 ### CDN