diff --git a/examples/google.rs b/examples/google.rs
index 18a62a4..0d4859e 100644
--- a/examples/google.rs
+++ b/examples/google.rs
@@ -22,4 +22,7 @@ fn main() {
 
     let token = client.request_token(code.trim()).unwrap();
     println!("{:?}", token);
+
+    let token = client.refresh_token(token, None).unwrap();
+    println!("{:?}", token);
 }