diff --git a/tutorial/05-redux-immutable-fetch.md b/tutorial/05-redux-immutable-fetch.md
index 92fc67b6..2cab7333 100644
--- a/tutorial/05-redux-immutable-fetch.md
+++ b/tutorial/05-redux-immutable-fetch.md
@@ -44,7 +44,7 @@ console.log(immutablePerson)
  */
 ```
 
-- Run `yarn add immutable@4.0.0-rc.2`
+- Run `yarn add immutable@4.0.0-rc.9`
 
 ## Redux