diff --git a/src/Cargo.lock b/src/Cargo.lock
index 223271c5..5583b536 100644
--- a/src/Cargo.lock
+++ b/src/Cargo.lock
@@ -1296,9 +1296,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.149"
+version = "0.2.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+checksum = "c2ccc108bbc0b1331bd061864e7cd823c0cab660bbe6970e66e2c0614decde36"
 
 [[package]]
 name = "libloading"
diff --git a/src/qos_core/Cargo.toml b/src/qos_core/Cargo.toml
index e4b74610..0657a1fa 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 = "=0.2.149"
+libc = "=0.2.166"
 borsh = { version = "1.0", features = ["std", "derive"] , default-features = false}
 vsss-rs = { version = "4.3", default-features = false, features = ["std"] }
 
diff --git a/src/qos_system/Cargo.lock b/src/qos_system/Cargo.lock
index 2dd8402a..2d5c6a1c 100644
--- a/src/qos_system/Cargo.lock
+++ b/src/qos_system/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "libc"
-version = "0.2.149"
+version = "0.2.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
+checksum = "c2ccc108bbc0b1331bd061864e7cd823c0cab660bbe6970e66e2c0614decde36"
 
 [[package]]
 name = "qos_system"
diff --git a/src/qos_system/Cargo.toml b/src/qos_system/Cargo.toml
index a8cf066c..5abe8eac 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 = "=0.2.149"
\ No newline at end of file
+libc = "=0.2.166"
\ No newline at end of file