diff --git a/Cargo.lock b/Cargo.lock
index 4d74074..f018be6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1335,9 +1335,9 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "signal-hook"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b29ffa27d3d59a049bb328258de100f8012848d1b08d444e08bbc02ac468435e"
+checksum = "49f7447afd772ca79ad17ae0a3972a6b0df0cb4b80990fd82707593e9e012a74"
 dependencies = [
  "libc",
  "signal-hook-registry",