diff --git a/libc/kernel/uapi/asm-generic/socket.h b/libc/kernel/uapi/asm-generic/socket.h
index e0d0817..aa452ba 100644
--- a/libc/kernel/uapi/asm-generic/socket.h
+++ b/libc/kernel/uapi/asm-generic/socket.h
@@ -97,4 +97,5 @@
 #define SO_ATTACH_REUSEPORT_EBPF 52
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_CNX_ADVICE 53
+#define SCM_TIMESTAMPING_OPT_STATS 54
 #endif