diff --git a/server/Cargo.lock b/server/Cargo.lock
index ab7675b..011a1fa 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -1550,16 +1550,15 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.7.10"
+version = "0.7.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5419f34732d9eb6ee4c3578b7989078579b7f039cbbb9ca2c4da015749371e15"
+checksum = "9cf6b47b3771c49ac75ad09a6162f53ad4b8088b76ac60e8ec1455b31a189fe1"
 dependencies = [
  "bytes",
  "futures-core",
  "futures-sink",
  "pin-project-lite",
  "tokio",
- "tracing",
 ]
 
 [[package]]
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 06be1df..2012b16 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -10,7 +10,7 @@ anyhow = "1.0.81"
 axum = "0.7.5"
 serde = { version = "1.0.197", features = ["derive"] }
 tokio = { version = "1.36.0", features = ["full"] }
-tokio-util = "0.7.10"
+tokio-util = "0.7.11"
 # default featureは推移的にnative-tls featureを有効しているため、native-tls (LinuxではOpenSSL) を連れてくる。これをオプトアウトするためにrustlsを使う。
 sentry = { version = "0.32.2", default-features = false, features = ["backtrace", "contexts", "panic", "anyhow", "reqwest", "tracing", "debug-images", "rustls", "tower", "tower-http"] }
 tracing = "0.1.40"