diff --git a/Cargo.lock b/Cargo.lock
index 8224ed5..ff95fc4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -189,9 +189,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.34"
+version = "0.4.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5bc015644b92d5890fab7489e49d21f879d5c990186827d42ec511919404f38b"
+checksum = "8eaf5903dcbc0a39312feb77df2ff4c76387d591b9fc7b04a238dcf8bb62639a"
 dependencies = [
  "android-tzdata",
  "iana-time-zone",
diff --git a/roscal_cli/Cargo.toml b/roscal_cli/Cargo.toml
index cd80ade..68d883d 100644
--- a/roscal_cli/Cargo.toml
+++ b/roscal_cli/Cargo.toml
@@ -15,7 +15,7 @@ roscal_lib = "0.1.0"
 
 anyhow = "1.0.80"
 clap = { version = "4.4.18", features = ["derive"] }
-chrono = { version = "0.4.34", features = ["serde"] }
+chrono = { version = "0.4.35", features = ["serde"] }
 iana-time-zone = "0.1.60"
 rand = "0.8.5"
 serde = { version = "1.0.197", features = ["derive"] }
diff --git a/roscal_lib/Cargo.toml b/roscal_lib/Cargo.toml
index c6e8629..3fdb297 100644
--- a/roscal_lib/Cargo.toml
+++ b/roscal_lib/Cargo.toml
@@ -16,7 +16,7 @@ publish = ["crates-io"]
 exclude = ["jsonschema/", "build.rs"]
 
 [dependencies]
-chrono = { version = "0.4.34", features = ["serde"] }
+chrono = { version = "0.4.35", features = ["serde"] }
 derivative = "2.2.0"
 derive_builder = "0.20.0"
 lazy_static = "1.4.0"