diff --git a/README.md b/README.md
index 0d9d139..aa2cdf3 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ This library supports both Phase 1 and Phase 2. Phase 2 support is still new so
 
 ## Rubygems
 ```sh
-gem install zatca-zdk
+gem install zatca-sdk
 ```
 
 ## Bundler