diff --git a/Cargo.lock b/Cargo.lock
index fb90d0f..e4a29b9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2269,9 +2269,9 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "signal-hook"
-version = "0.3.18"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d881a16cf4426aa584979d30bd82cb33429027e42122b169753d6ef1085ed6e2"
+checksum = "3b57709da74f9ff9f4a27dce9526eec25ca8407c45a7887243b031a58935fb8e"
 dependencies = [
  "libc",
  "signal-hook-registry",
diff --git a/Cargo.toml b/Cargo.toml
index 525ecb0..8825df8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,7 +58,7 @@ thiserror = "2.0.18"
 clap = { version = "4.6.0", features = ["derive"] }
 getrandom = "0.2.16"
 libc = "0.2"
-signal-hook = "0.3"
+signal-hook = "0.4"
 
 [profile.release]
 codegen-units = 1