diff --git a/Cargo.lock b/Cargo.lock
index ffdb85fce..ac797cc18 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4016,9 +4016,9 @@ checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 
 [[package]]
 name = "signal-hook"
-version = "0.1.15"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ff2db2112d6c761e12522c65f7768548bd6e8cd23d2a9dae162520626629bd6"
+checksum = "844024c8913df6bfbfeee3061075ccc47216a897ac0b54a683dea3dfe16d19af"
 dependencies = [
  "libc",
  "signal-hook-registry",
diff --git a/ledger-tool/Cargo.toml b/ledger-tool/Cargo.toml
index e0b906cd5..c1ae34719 100644
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -43,7 +43,7 @@ tokio = { version = "1", features = ["full"] }
 assert_cmd = "1.0"
 
 [target."cfg(unix)".dependencies]
-signal-hook = "0.1.15"
+signal-hook = "0.2.3"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
index f3cdfa7f1..b94ce4ea0 100644
--- a/validator/Cargo.toml
+++ b/validator/Cargo.toml
@@ -51,7 +51,7 @@ symlink = "0.1.0"
 
 [target."cfg(unix)".dependencies]
 libc = "0.2.81"
-signal-hook = "0.1.15"
+signal-hook = "0.2.3"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]