diff --git a/README.md b/README.md
index 11054ca..051d6e0 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ Get default network information
 Add `default-net` to your dependencies  
 ```toml:Cargo.toml
 [dependencies]
-default-net = "0.3.0"
+default-net = "0.4.0"
 ```
 
 ## Example