diff --git a/libc/kernel/uapi/linux/sctp.h b/libc/kernel/uapi/linux/sctp.h
index 18c5d21..9a808ef 100644
--- a/libc/kernel/uapi/linux/sctp.h
+++ b/libc/kernel/uapi/linux/sctp.h
@@ -87,6 +87,9 @@
 #define SCTP_INTERLEAVING_SUPPORTED 125
 #define SCTP_SENDMSG_CONNECT 126
 #define SCTP_EVENT 127
+#define SCTP_ASCONF_SUPPORTED 128
+#define SCTP_AUTH_SUPPORTED 129
+#define SCTP_ECN_SUPPORTED 130
 #define SCTP_PR_SCTP_NONE 0x0000
 #define SCTP_PR_SCTP_TTL 0x0010
 #define SCTP_PR_SCTP_RTX 0x0020