diff --git a/Cargo.lock b/Cargo.lock
index eba24d77..0ba5e8b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2333,9 +2333,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.142"
+version = "0.2.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
+checksum = "edc207893e85c5d6be840e969b496b53d94cec8be2d501b214f50daa97fa8024"
 
 [[package]]
 name = "libm"
diff --git a/transports/tcp/Cargo.toml b/transports/tcp/Cargo.toml
index b0935603..d6e4c1ac 100644
--- a/transports/tcp/Cargo.toml
+++ b/transports/tcp/Cargo.toml
@@ -15,7 +15,7 @@ async-io = { version = "1.13.0", optional = true }
 futures = "0.3.28"
 futures-timer = "3.0"
 if-watch = "3.0.1"
-libc = "0.2.142"
+libc = "0.2.143"
 libp2p-core = { workspace = true }
 libp2p-identity = { workspace = true }
 log = "0.4.11"