diff --git a/tonic-build/src/lib.rs b/tonic-build/src/lib.rs
index 0995814..f684892 100644
--- a/tonic-build/src/lib.rs
+++ b/tonic-build/src/lib.rs
@@ -25,7 +25,7 @@
 //! }
 //! ```
 
-use proc_macro2::{TokenStream, Delimiter, Group, Ident, Literal, Punct, Spacing, Span};
+use proc_macro2::{Delimiter, Group, Ident, Literal, Punct, Spacing, Span, TokenStream};
 use prost_build::Config;
 use quote::TokenStreamExt;