diff --git a/server/Cargo.lock b/server/Cargo.lock
index abb6264..d4997a0 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -1046,18 +1046,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.190"
+version = "1.0.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91d3c334ca1ee894a2c6f6ad698fe8c435b76d504b13d436f0685d648d6d96f7"
+checksum = "a834c4821019838224821468552240d4d95d14e751986442c816572d39a080c9"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.190"
+version = "1.0.191"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67c5609f394e5c2bd7fc51efda478004ea80ef42fee983d5c67a65e34f32c0e3"
+checksum = "46fa52d5646bce91b680189fe5b1c049d2ea38dabb4e2e7c8d00ca12cfbfbcfd"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/server/Cargo.toml b/server/Cargo.toml
index 0785280..da0ed87 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -13,7 +13,7 @@ bytes = "1.5.0"
 envy = "0.4.2"
 # 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 = "0.31.7", default-features = false, features = ["backtrace", "contexts", "panic", "anyhow", "reqwest", "tracing", "debug-images", "rustls", "tower", "tower-http"] }
-serde = { version = "1.0.190", features = ["derive"] }
+serde = { version = "1.0.191", features = ["derive"] }
 tokio = { version = "1.33.0", features = ["full"] }
 tokio-util = { version = "0.7.10", features = ["io"] }
 tower = "0.4.13"