diff --git a/Cargo.lock b/Cargo.lock
index dd819f2..fd75577 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -101,9 +101,9 @@ dependencies = [
 
 [[package]]
 name = "croner"
-version = "3.0.1"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4aa42bcd3d846ebf66e15bd528d1087f75d1c6c1c66ebff626178a106353c576"
+checksum = "a59ed87528b2ee2b6d2b14d6767f6dbe41867dfc581433fc23a7c0fae847467a"
 dependencies = [
  "chrono",
  "derive_builder",
diff --git a/Cargo.toml b/Cargo.toml
index 786c91d..9f6c463 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ serde-wasm-bindgen = "0.6"
 chrono = "0.4"
 jiff = { version = "=0.2.35", default-features = false, features = ["std", "tzdb-bundle-always"] }
 jiff-tzdb = "=0.1.8"
-croner = "3.0.1"
+croner = "4.0.0"
 console_error_panic_hook = "0.1"
 
 [profile.release]