diff --git a/Cargo.lock b/Cargo.lock
index b83bc19..0166322 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -143,7 +143,7 @@ dependencies = [
  "log",
  "lrwn_filters",
  "serde",
- "signal-hook",
+ "signal-hook 0.4.1",
  "signal-hook-tokio",
  "simple_logger",
  "syslog",
@@ -1284,6 +1284,16 @@ dependencies = [
  "signal-hook-registry",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a37d01603c37b5466f808de79f845c7116049b0579adb70a6b7d47c1fa3a952"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.6"
@@ -1301,7 +1311,7 @@ checksum = "213241f76fb1e37e27de3b6aa1b068a2c333233b59cca6634f634b80a27ecf1e"
 dependencies = [
  "futures-core",
  "libc",
- "signal-hook",
+ "signal-hook 0.3.18",
  "tokio",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 23303cc..359c36b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -43,7 +43,7 @@
   ] }
   hex = "0.4"
   getrandom = "0.3"
-  signal-hook = "0.3"
+  signal-hook = "0.4"
   signal-hook-tokio = { version = "0.3", features = ["futures-v0_3"] }
   futures = "0.3"
   zmq = "0.10"