diff --git a/libc/kernel/uapi/linux/elf.h b/libc/kernel/uapi/linux/elf.h
index 9845bd3..8f2e668 100644
--- a/libc/kernel/uapi/linux/elf.h
+++ b/libc/kernel/uapi/linux/elf.h
@@ -356,6 +356,8 @@
 #define NT_ARM_SYSTEM_CALL 0x404
 #define NT_ARM_SVE 0x405
 #define NT_ARM_PAC_MASK 0x406
+#define NT_ARM_PACA_KEYS 0x407
+#define NT_ARM_PACG_KEYS 0x408
 #define NT_ARC_V2 0x600
 #define NT_VMCOREDD 0x700
 #define NT_MIPS_DSP 0x800