diff --git a/Cargo.lock b/Cargo.lock
index 0ef7bc6..acdc2e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2053,9 +2053,9 @@ 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/bux/Cargo.toml b/bux/Cargo.toml
index 13350ec..e7e9d3d 100644
--- a/bux/Cargo.toml
+++ b/bux/Cargo.toml
@@ -28,7 +28,7 @@ bux-e2fs.workspace = true
 libc.workspace = true
 nix.workspace = true
 rusqlite.workspace = true
-signal-hook = "0.3"
+signal-hook = "0.4"
 tokio = { workspace = true, features = ["io-util", "net", "time", "sync"] }
 
 [lints]