diff --git a/http-rate/CHANGES.md b/http-rate/CHANGES.md
index ce170ef3..d94caf79 100644
--- a/http-rate/CHANGES.md
+++ b/http-rate/CHANGES.md
@@ -1 +1,6 @@
-# unreleased version 0.1.1
\ No newline at end of file
+# unreleased version 0.1.2
+
+# 0.1.1
+
+## fix
+- fix build on rust `1.75`
diff --git a/http-rate/src/lib.rs b/http-rate/src/lib.rs
index a4487587..a1805b9a 100644
--- a/http-rate/src/lib.rs
+++ b/http-rate/src/lib.rs
@@ -13,9 +13,10 @@ pub use error::TooManyRequests;
 pub use quota::Quota;
 pub use snapshot::RateSnapshot;
 
-use core::net::{IpAddr, SocketAddr};
-
-use std::sync::Arc;
+use std::{
+    net::{IpAddr, SocketAddr},
+    sync::Arc,
+};
 
 use http::header::{HeaderMap, HeaderName, FORWARDED};
 
diff --git a/web/CHANGES.md b/web/CHANGES.md
index 423295cc..4151b9e7 100644
--- a/web/CHANGES.md
+++ b/web/CHANGES.md
@@ -1,5 +1,6 @@
-# unreleased version 0.2.0
+# unreleased version 0.2.2
 
+# 0.2.1
 ## Add
 - `RateLimit` middleware with optional feature `rate-limit`.
 - implement `Responder` trait for `serde_json::Value`.
diff --git a/web/Cargo.toml b/web/Cargo.toml
index c112824c..d17700d1 100644
--- a/web/Cargo.toml
+++ b/web/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "xitca-web"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 license = "Apache-2.0"
 description = "an async web framework"
diff --git a/web/src/handler/impls.rs b/web/src/handler/impls.rs
index 512b74c8..f8288ec0 100644
--- a/web/src/handler/impls.rs
+++ b/web/src/handler/impls.rs
@@ -1,4 +1,4 @@
-use core::net::SocketAddr;
+use std::net::SocketAddr;
 
 use crate::{
     body::ResponseBody,