diff --git a/Cargo.lock b/Cargo.lock
index 495cd2814d66..a834f23e569d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1910,9 +1910,9 @@ checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "libc"
-version = "0.2.158"
+version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
+checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
 [[package]]
 name = "libloading"
diff --git a/crates/shadowsocks-service/Cargo.toml b/crates/shadowsocks-service/Cargo.toml
index 6a699f49a1af..32153ca03a45 100644
--- a/crates/shadowsocks-service/Cargo.toml
+++ b/crates/shadowsocks-service/Cargo.toml
@@ -165,7 +165,7 @@ rustls-native-certs = { version = "0.8", optional = true }
 async-trait = "0.1"
 
 socket2 = { version = "0.5", features = ["all"] }
-libc = "0.2.141"
+libc = "0.2.159"
 
 hyper = { version = "1.4", optional = true, features = ["full"] }
 http-body-util = { version = "0.1", optional = true }
diff --git a/crates/shadowsocks/Cargo.toml b/crates/shadowsocks/Cargo.toml
index c948bca62154..35b3a4cc344c 100644
--- a/crates/shadowsocks/Cargo.toml
+++ b/crates/shadowsocks/Cargo.toml
@@ -48,7 +48,7 @@ security-replay-attack-detect = ["bloomfilter"]
 [dependencies]
 log = "0.4"
 
-libc = "0.2.141"
+libc = "0.2.159"
 bytes = "1.7"
 cfg-if = "1"
 byte_string = "1.0"