diff --git a/Cargo.lock b/Cargo.lock
index 55de870..de78f86 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2786,9 +2786,9 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "signal-hook"
-version = "0.3.17"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801"
+checksum = "3b57709da74f9ff9f4a27dce9526eec25ca8407c45a7887243b031a58935fb8e"
 dependencies = [
  "libc",
  "signal-hook-registry",
diff --git a/Cargo.toml b/Cargo.toml
index 2b3fe5e..817b360 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ reqwest = { version = "0.12", default-features = false, features = ["json", "rus
 schemars = { version = "0.8", features = ["chrono", "uuid1", "bigdecimal"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-signal-hook = "0.3"
+signal-hook = "0.4"
 slog = "2.8.2"
 slog-async = "2.7.0"
 slog-json = "2.6.1"