diff --git a/libc/kernel/uapi/linux/sctp.h b/libc/kernel/uapi/linux/sctp.h
index e3fc7bf..883920b 100644
--- a/libc/kernel/uapi/linux/sctp.h
+++ b/libc/kernel/uapi/linux/sctp.h
@@ -93,6 +93,7 @@
 #define SCTP_ECN_SUPPORTED 130
 #define SCTP_EXPOSE_POTENTIALLY_FAILED_STATE 131
 #define SCTP_EXPOSE_PF_STATE SCTP_EXPOSE_POTENTIALLY_FAILED_STATE
+#define SCTP_REMOTE_UDP_ENCAPS_PORT 132
 #define SCTP_PR_SCTP_NONE 0x0000
 #define SCTP_PR_SCTP_TTL 0x0010
 #define SCTP_PR_SCTP_RTX 0x0020
@@ -697,6 +698,11 @@
   uint16_t se_type;
   uint8_t se_on;
 };
+struct sctp_udpencaps {
+  sctp_assoc_t sue_assoc_id;
+  struct sockaddr_storage sue_address;
+  uint16_t sue_port;
+};
 enum sctp_sched_type {
   SCTP_SS_FCFS,
   SCTP_SS_DEFAULT = SCTP_SS_FCFS,