diff --git a/Cargo.lock b/Cargo.lock
index cca766c..4a79c73 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -857,9 +857,9 @@ checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
 
 [[package]]
 name = "libc"
-version = "0.2.183"
+version = "0.2.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5b646652bf6661599e1da8901b3b9522896f01e736bad5f723fe7a3a27f899d"
+checksum = "48f5d2a454e16a5ea0f4ced81bd44e4cfc7bd3a507b61887c99fd3538b28e4af"
 
 [[package]]
 name = "libm"
diff --git a/netwatch/Cargo.toml b/netwatch/Cargo.toml
index 7465b6c..87d0850 100644
--- a/netwatch/Cargo.toml
+++ b/netwatch/Cargo.toml
@@ -35,7 +35,7 @@ tracing = "0.1"
 # non-browser dependencies
 [target.'cfg(not(all(target_family = "wasm", target_os = "unknown")))'.dependencies]
 noq-udp = "0.9"
-libc = "0.2.139"
+libc = "0.2.184"
 netdev = "0.40.1"
 socket2 = { version = "0.6", features = ["all"] }
 tokio = { version = "1", features = [
diff --git a/portmapper/Cargo.toml b/portmapper/Cargo.toml
index 111a237..2e92706 100644
--- a/portmapper/Cargo.toml
+++ b/portmapper/Cargo.toml
@@ -23,7 +23,7 @@ futures-lite = "2.5"
 futures-util = "0.3.25"
 igd-next = { version = "0.17.0", features = ["aio_tokio"] }
 iroh-metrics = { version = "0.38", default-features = false }
-libc = "0.2.139"
+libc = "0.2.184"
 netwatch = { version = "0.15.0", path = "../netwatch" }
 n0-error = "0.1.2"
 num_enum = "0.7"