diff --git a/src/Cargo.lock b/src/Cargo.lock
index 042a7ac0..b3128fe1 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -968,9 +968,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.148"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "libm"
diff --git a/src/qos_core/Cargo.toml b/src/qos_core/Cargo.toml
index dc2984fc..59db52f4 100644
--- a/src/qos_core/Cargo.toml
+++ b/src/qos_core/Cargo.toml
@@ -11,7 +11,7 @@ qos_p256 = { path = "../qos_p256" }
 qos_nsm = { path = "../qos_nsm", default-features = false }
 
 nix = { version = "0.26", features = ["socket"], default-features = false }
-libc = "=0.2.148"
+libc = "=0.2.155"
 borsh = { version = "1.0", features = ["std", "derive"] , default-features = false}
 
 # For AWS Nitro
diff --git a/src/qos_system/Cargo.lock b/src/qos_system/Cargo.lock
index 1654d088..3445fcac 100644
--- a/src/qos_system/Cargo.lock
+++ b/src/qos_system/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "libc"
-version = "0.2.148"
+version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
+checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "qos_system"
diff --git a/src/qos_system/Cargo.toml b/src/qos_system/Cargo.toml
index 0023c705..e9af2224 100644
--- a/src/qos_system/Cargo.toml
+++ b/src/qos_system/Cargo.toml
@@ -7,4 +7,4 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-libc = "=0.2.148"
+libc = "=0.2.155"