diff --git a/Cargo.lock b/Cargo.lock
index d56712658..825f6f808 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2326,9 +2326,9 @@ dependencies = [
 
 [[package]]
 name = "etherparse"
-version = "0.15.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21696e6dfe1057a166a042c6d27b89a46aad2ee1003e6e1e03c49d54fd3270d7"
+checksum = "17304d06addb3283cdc4bd528e42dd95e73c8ee2d6492ffce415e93660885449"
 dependencies = [
  "arrayvec",
 ]
diff --git a/devolutions-gateway/Cargo.toml b/devolutions-gateway/Cargo.toml
index 8a284666b..48c7781cd 100644
--- a/devolutions-gateway/Cargo.toml
+++ b/devolutions-gateway/Cargo.toml
@@ -128,7 +128,7 @@ cadeau = { version = "0.5.2", features = ["dlopen"] }
 # Dependencies required for PCAP support
 # QUESTION: should we keep that built-in?
 pcap-file = "2.0"
-etherparse = "0.15"
+etherparse = "0.21"
 
 
 [target.'cfg(unix)'.dependencies]