diff --git a/server/domain/Cargo.toml b/server/domain/Cargo.toml
index 175dedf..eb55dad 100644
--- a/server/domain/Cargo.toml
+++ b/server/domain/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 anyhow = "1.0.75"
 async-trait = "0.1.73"
 bytes = "1.4.0"
-chrono = "0.4.26"
+chrono = "0.4.27"
 derive_more = "0.99.17"
diff --git a/server/infra/db_repository_impl/Cargo.toml b/server/infra/db_repository_impl/Cargo.toml
index 73401ff..f4e5260 100644
--- a/server/infra/db_repository_impl/Cargo.toml
+++ b/server/infra/db_repository_impl/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.75"
 async-trait = "0.1.73"
-chrono = "0.4.26"
+chrono = "0.4.27"
 diesel = { version = "2.1.1", features = ["chrono"] }
 domain = { path = "../../domain" }
 diesel-async = { version = "0.3.2", features = ["mysql", "deadpool"] }
diff --git a/server/infra/upstream_repository_impl/Cargo.toml b/server/infra/upstream_repository_impl/Cargo.toml
index 254d488..febc549 100644
--- a/server/infra/upstream_repository_impl/Cargo.toml
+++ b/server/infra/upstream_repository_impl/Cargo.toml
@@ -13,5 +13,5 @@ serde = "1.0.179"
 anyhow = "1.0.75"
 tracing = "0.1.37"
 async-trait = "0.1.73"
-chrono = "0.4.26"
+chrono = "0.4.27"