diff --git a/Cargo.lock b/Cargo.lock
index fa4b57c..be929d4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -139,9 +139,9 @@ checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
 [[package]]
 name = "libc"
-version = "0.2.162"
+version = "0.2.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18d287de67fe55fd7e1581fe933d965a5a9477b38e949cfa9f8574ef01506398"
+checksum = "c2ccc108bbc0b1331bd061864e7cd823c0cab660bbe6970e66e2c0614decde36"
 
 [[package]]
 name = "log"
diff --git a/Cargo.toml b/Cargo.toml
index cf0de68..08ef086 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ byteorder = "1.4.3"
 log = "0.4.17"
 simplelog = "0.12.0"
 unchecked-index = "0.2.2"
-libc = "0.2.158"
+libc = "0.2.166"
 modular-bitfield = "0.11.2"
 clap = { version = "3.2.17", features = ["derive"] }
 foldhash = "0.1.3"