diff --git a/readme.md b/readme.md
index 10c6e29..d80c157 100644
--- a/readme.md
+++ b/readme.md
@@ -18,7 +18,7 @@
 ### Installation
 
 ```bash
-pip install twitter-api-client
+pip install twitter-api-client -U
 ```
 
 ### Automation