diff --git a/CHANGELOG.md b/CHANGELOG.md
index b116408..602b8d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,7 +18,7 @@ You should also include the user name that made the change.
 ### Improvements
 
 - Totally restructured and reimplemented all components
-- Support multiple bootstrap resolvers.
+- [Breaking] Support multiple bootstrap resolvers, which requires to modify the config file.
 - Periodic health check of all path candidates.
 - Periodic nexthop IP address resolution via the proxy itself, bootstrap resolver is only used at the first time and fall-back.
 - Periodic fetching of access token with refresh token.
diff --git a/proxy-bin/Cargo.toml b/proxy-bin/Cargo.toml
index 178415b..e380b68 100644
--- a/proxy-bin/Cargo.toml
+++ b/proxy-bin/Cargo.toml
@@ -34,9 +34,9 @@ publish = false
 [dependencies]
 doh-auth-proxy-lib = { path = "../proxy-lib/" }
 
-anyhow = "1.0.76"
+anyhow = "1.0.79"
 mimalloc = { version = "*", default-features = false }
-serde = { version = "1.0.193", default-features = false, features = ["derive"] }
+serde = { version = "1.0.194", default-features = false, features = ["derive"] }
 derive_builder = "0.12.0"
 tokio = { version = "1.35.1", default-features = false, features = [
   "net",
@@ -45,10 +45,10 @@ tokio = { version = "1.35.1", default-features = false, features = [
   "sync",
   "macros",
 ] }
-async-trait = "0.1.75"
+async-trait = "0.1.77"
 
 # config
-clap = { version = "4.4.11", features = ["std", "cargo", "wrap_help"] }
+clap = { version = "4.4.12", features = ["std", "cargo", "wrap_help"] }
 toml = { version = "0.8.8", default-features = false, features = ["parse"] }
 hot_reload = "0.1.4"
 
diff --git a/proxy-lib/Cargo.toml b/proxy-lib/Cargo.toml
index 5243215..a42586e 100644
--- a/proxy-lib/Cargo.toml
+++ b/proxy-lib/Cargo.toml
@@ -44,11 +44,11 @@ futures = { version = "0.3.30", default-features = false, features = [
   "std",
   "async-await",
 ] }
-anyhow = "1.0.76"
+anyhow = "1.0.79"
 tracing = "0.1.40"
-thiserror = "1.0.52"
-async-trait = "0.1.75"
-serde = { version = "1.0.193", features = ["derive"] }
+thiserror = "1.0.56"
+async-trait = "0.1.77"
+serde = { version = "1.0.194", features = ["derive"] }
 itertools = "0.12.0"
 rustc-hash = "1.1.0"
 
diff --git a/proxy-lib/src/error.rs b/proxy-lib/src/error.rs
index bffc777..aabd2cb 100644
--- a/proxy-lib/src/error.rs
+++ b/proxy-lib/src/error.rs
@@ -1,4 +1,4 @@
-pub use anyhow::{anyhow, bail, ensure, Context};
+pub use anyhow::{anyhow, bail, Context};
 use std::net::SocketAddr;
 use thiserror::Error;
 use tokio::sync::mpsc::error::SendError;