diff --git a/Cargo.lock b/Cargo.lock
index 81b0dd6c8..70ef6d300 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -919,9 +919,9 @@ dependencies = [
 
 [[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",