diff --git a/libc/kernel/uapi/linux/snmp.h b/libc/kernel/uapi/linux/snmp.h
index c114544..8d63a3c 100644
--- a/libc/kernel/uapi/linux/snmp.h
+++ b/libc/kernel/uapi/linux/snmp.h
@@ -254,6 +254,8 @@
   LINUX_MIB_TCPFASTOPENPASSIVEALTKEY,
   LINUX_MIB_TCPTIMEOUTREHASH,
   LINUX_MIB_TCPDUPLICATEDATAREHASH,
+  LINUX_MIB_TCPDSACKRECVSEGS,
+  LINUX_MIB_TCPDSACKIGNOREDDUBIOUS,
   __LINUX_MIB_MAX
 };
 enum {