diff --git a/Cargo.lock b/Cargo.lock
index efb5261..cebdcf1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -572,9 +572,9 @@ checksum = "884e2677b40cc8c339eaefcb701c32ef1fd2493d71118dc0ca4b6a736c93bd67"
 
 [[package]]
 name = "libc"
-version = "0.2.142"
+version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a987beff54b60ffa6d51982e1aa1146bc42f19bd26be28b0586f252fccf5317"
+checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[package]]
 name = "linux-raw-sys"
diff --git a/Cargo.toml b/Cargo.toml
index c21fd78..5a7ef5d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ categories = ["wasm", "development-tools::profiling"]
 
 [dependencies]
 cpp_demangle = "0.4.1"
-libc = "0.2.142"
+libc = "0.2.147"
 nix = { version = "0.26", default-features = false, features = ["signal"] }
 rustc-demangle = "0.1.23"
 spin_sleep = "1.1.1"