diff --git a/rust-runtime/aws-smithy-types/src/base64.rs b/rust-runtime/aws-smithy-types/src/base64.rs
index 55ad21a93c1..460a07e33d4 100644
--- a/rust-runtime/aws-smithy-types/src/base64.rs
+++ b/rust-runtime/aws-smithy-types/src/base64.rs
@@ -5,8 +5,8 @@
 
 //! A thin wrapper over `base64-simd`
 
-use std::error::Error;
 use base64_simd::Base64;
+use std::error::Error;
 
 /// Failure to decode a base64 value.
 #[derive(Debug)]