diff --git a/Cargo.lock b/Cargo.lock
index fb193cb4d..40d86ccd9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4260,9 +4260,9 @@ checksum = "43b2853a4d09f215c24cc5489c992ce46052d359b5109343cbafbf26bc62f8a3"
 
 [[package]]
 name = "signal-hook"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c35dfd12afb7828318348b8c408383cf5071a086c1d4ab1c0f9840ec92dbb922"
+checksum = "647c97df271007dcea485bb74ffdb57f2e683f1306c854f468a0c244badabf2d"
 dependencies = [
  "libc",
  "signal-hook-registry",
diff --git a/ledger-tool/Cargo.toml b/ledger-tool/Cargo.toml
index 7bc42f9b8..fb3aff25d 100644
--- a/ledger-tool/Cargo.toml
+++ b/ledger-tool/Cargo.toml
@@ -45,7 +45,7 @@ jemallocator = {package = "tikv-jemallocator", version = "0.4.1", features = ["u
 assert_cmd = "2.0"
 
 [target."cfg(unix)".dependencies]
-signal-hook = "0.3.12"
+signal-hook = "0.3.13"
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]
diff --git a/validator/Cargo.toml b/validator/Cargo.toml
index 2c45cdd14..fc98e3a91 100644
--- a/validator/Cargo.toml
+++ b/validator/Cargo.toml
@@ -56,7 +56,7 @@ jemallocator = {package = "tikv-jemallocator", version = "0.4.1", features = ["u
 
 [target."cfg(unix)".dependencies]
 libc = "0.2.112"
-signal-hook = "0.3.12"
+signal-hook = "0.3.13"
 sysctl = "0.4.3"
 
 [package.metadata.docs.rs]