diff --git a/README.md b/README.md
index d7a9c20..827a722 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Installation
 =======
 
 ```
-go get github.com/ip2location/ip2location-go
+go get github.com/ip2location/ip2location-go/v9
 ```
 
 Example