diff --git a/Cargo.lock b/Cargo.lock
index 86a7c11..74aa407 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -54,9 +54,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.39"
+version = "0.4.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e36cc9d416881d2e24f9a963be5fb1cd90966419ac844274161d10488b3e825"
+checksum = "1a7964611d71df112cb1730f2ee67324fcf4d0fc6606acbbe9bfe06df124637c"
 dependencies = [
  "num-traits",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0cdd7fe..b66f590 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ edition = "2021"
 rust-version = "1.70"
 
 [dependencies]
-chrono = { version = "0.4.39", default-features = false, features = ["std"] }
+chrono = { version = "0.4.40", default-features = false, features = ["std"] }
 indexmap = "2.5.0"
 quick-xml = "0.37.2"
 newtype-uuid = "1.1.3"