diff --git a/Cargo.lock b/Cargo.lock
index bdf7fd0..ba7679b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -166,18 +166,18 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.3.19"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fd304a20bff958a57f04c4e96a2e7594cc4490a0e809cbd48bb6437edaa452d"
+checksum = "c27cdf28c0f604ba3f512b0c9a409f8de8513e4816705deb0498b627e7c3a3fd"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.3.19"
+version = "4.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01c6a3f08f1fe5662a35cfe393aec09c4df95f60ee93b7556505260f75eee9e1"
+checksum = "08a9f1ab5e9f01a9b81f202e8562eb9a10de70abf9eaeac1be465c28b75aa4aa"
 dependencies = [
  "anstream",
  "anstyle",
diff --git a/Cargo.toml b/Cargo.toml
index ec3f52e..8538cc7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ edition = "2018"
 bitflags = "2.3.3"
 byteorder = "1.4.3"
 chrono = "0.4.26"
-clap = "4.3.19"
+clap = "4.3.21"
 dns-parser = "0.8.0"
 flate2 = "1.0"
 itertools = "0.11.0"