diff --git a/libc-test/semver/macos-aarch64.txt b/libc-test/semver/macos-aarch64.txt
index 1a5fcd2ac3fe2..3de7734f380ed 100644
--- a/libc-test/semver/macos-aarch64.txt
+++ b/libc-test/semver/macos-aarch64.txt
@@ -1,3 +1,4 @@
 __darwin_arm_exception_state64
 __darwin_arm_neon_state64
 __darwin_arm_thread_state64
+CLOCK_UPTIME_RAW
\ No newline at end of file
diff --git a/src/unix/bsd/apple/b64/aarch64/mod.rs b/src/unix/bsd/apple/b64/aarch64/mod.rs
index 79e9ac842f9ca..67f0f7032e9c0 100644
--- a/src/unix/bsd/apple/b64/aarch64/mod.rs
+++ b/src/unix/bsd/apple/b64/aarch64/mod.rs
@@ -6,6 +6,8 @@ s! {
     }
 }
 
+pub const CLOCK_UPTIME_RAW: ::clockid_t = 8;
+
 cfg_if! {
     if #[cfg(libc_align)] {
         mod align;