diff --git a/fake-tcp/Cargo.toml b/fake-tcp/Cargo.toml
index 0f1a518..4fb888b 100644
--- a/fake-tcp/Cargo.toml
+++ b/fake-tcp/Cargo.toml
@@ -21,4 +21,4 @@ tokio = { version = "1.12.0", features = ["full"] }
 rand = { version = "0.8.4", features = ["small_rng"] }
 log = "0.4"
 internet-checksum = "0.2.0"
-dndx-fork-tokio-tun = "0.3.16"
+dndx-fork-tokio-tun = "0.4.0"
diff --git a/phantun/Cargo.toml b/phantun/Cargo.toml
index 8c68ccd..7d5b3a0 100644
--- a/phantun/Cargo.toml
+++ b/phantun/Cargo.toml
@@ -17,5 +17,5 @@ fake-tcp = "0.1.2"
 tokio = { version = "1.12.0", features = ["full"] }
 log = "0.4"
 pretty_env_logger = "0.4.0"
-dndx-fork-tokio-tun = "0.3.16"
+dndx-fork-tokio-tun = "0.4.0"
 num_cpus = "1.13.0"