diff --git a/Cargo.lock b/Cargo.lock
index 0e071f5e93f..bf1c60866ad 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2081,9 +2081,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.139"
+version = "0.2.142"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"
+checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
 
 [[package]]
 name = "libflate"
diff --git a/transports/tcp/Cargo.toml b/transports/tcp/Cargo.toml
index 43f512e759f..9840465e649 100644
--- a/transports/tcp/Cargo.toml
+++ b/transports/tcp/Cargo.toml
@@ -15,7 +15,7 @@ async-io = { version = "1.2.0", optional = true }
 futures = "0.3.26"
 futures-timer = "3.0"
 if-watch = "3.0.0"
-libc = "0.2.80"
+libc = "0.2.142"
 libp2p-core = { version = "0.39.0", path = "../../core" }
 log = "0.4.11"
 socket2 = { version = "0.4.0", features = ["all"] }