diff --git a/Cargo.lock b/Cargo.lock
index 288ffa33..347216f4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1791,9 +1791,9 @@ checksum = "dea2df4cf52843e0452895c455a1a2cfbb842a1e7329671acf418fdc53ed4c59"
 
 [[package]]
 name = "etherparse"
-version = "0.19.0"
+version = "0.20.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b119b9796ff800751a220394b8b3613f26dd30c48f254f6837e64c464872d1c7"
+checksum = "3ac016aaf11dfe643edcd088a166234bfcb72e7f06691abfcf21e9af524037f4"
 dependencies = [
  "arrayvec",
 ]
diff --git a/wallguard/Cargo.toml b/wallguard/Cargo.toml
index a6efc46e..1bb717d9 100644
--- a/wallguard/Cargo.toml
+++ b/wallguard/Cargo.toml
@@ -16,7 +16,7 @@ libc = "0.2.180"
 chrono = "0.4.41"
 once_cell = "1.21.4"
 nullnet-traffic-monitor = "0.1.5"
-etherparse = "0.19.0"
+etherparse = "0.20.1"
 sysinfo = { version = "0.37.2", default-features = false, features = ["disk"] }
 async-channel = "2.3.1"
 nullnet-libresmon = "0.1.2"