diff --git a/README.md b/README.md
index 8aba160..61d184c 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Method-Ray supports Ruby 3.4 or later.
 ## Installation
 
 ```bash
-gem install methodray
+gem install method-ray
 ```
 
 ## Quick Start