diff --git a/lib/std/macho.zig b/lib/std/macho.zig
index 8a2a90438ab3c090d02debb9ce7a81f15dfb0294..b0e5aaa32f6a4ab24187f472999cb75c06b9c411 100644
--- a/lib/std/macho.zig
+++ b/lib/std/macho.zig
@@ -2137,6 +2137,7 @@ pub const UNWIND_ARM64_MODE = enum(u4) {
     FRAMELESS = 2,
     DWARF = 3,
     FRAME = 4,
+    FRAME_PAUTH_LR = 5,
 };
 
 pub const UNWIND_ARM64_FRAME_X19_X20_PAIR: u32 = 0x00000001;