diff --git a/Cargo.lock b/Cargo.lock
index fd65ed8d4a2d6..1082e8f2370ca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1972,9 +1972,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.116"
+version = "0.2.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "565dbd88872dbe4cc8a46e527f26483c1d1f7afa6b884a3bd6cd893d4f98da74"
+checksum = "1bf2e165bb3457c8e098ea76f3e3bc9db55f87aa90d52d0e6be741470916aaa4"
 dependencies = [
  "rustc-std-workspace-core",
 ]
diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml
index 146096535dbbe..c9574ed54f771 100644
--- a/library/std/Cargo.toml
+++ b/library/std/Cargo.toml
@@ -15,7 +15,7 @@ cfg-if = { version = "0.1.8", features = ['rustc-dep-of-std'] }
 panic_unwind = { path = "../panic_unwind", optional = true }
 panic_abort = { path = "../panic_abort" }
 core = { path = "../core" }
-libc = { version = "0.2.116", default-features = false, features = ['rustc-dep-of-std'] }
+libc = { version = "0.2.119", default-features = false, features = ['rustc-dep-of-std'] }
 compiler_builtins = { version = "0.1.69" }
 profiler_builtins = { path = "../profiler_builtins", optional = true }
 unwind = { path = "../unwind" }
diff --git a/library/std/src/sys/unix/time.rs b/library/std/src/sys/unix/time.rs
index 50e15a47ae2a8..9a8634aa33327 100644
--- a/library/std/src/sys/unix/time.rs
+++ b/library/std/src/sys/unix/time.rs
@@ -286,7 +286,7 @@ mod inner {
     impl Instant {
         pub fn now() -> Instant {
             #[cfg(target_os = "macos")]
-            const clock_id: clock_t = 8;
+            const clock_id: clock_t = libc::CLOCK_UPTIME_RAW;
             #[cfg(not(target_os = "macos"))]
             const clock_id: clock_t = libc::CLOCK_MONOTONIC;
             Instant { t: now(clock_id) }