diff --git a/unix/linux/types.go b/unix/linux/types.go
index 8109005c..a125a25e 100644
--- a/unix/linux/types.go
+++ b/unix/linux/types.go
@@ -6100,3 +6100,6 @@ const (
 )
 
 type SockDiagReq C.struct_sock_diag_req
+
+// Removed in Linux 6.13, kept for backwards compatibility.
+const RTM_NEWNVLAN = 0x70
diff --git a/unix/ztypes_linux.go b/unix/ztypes_linux.go
index 509c8a93..a46abe64 100644
--- a/unix/ztypes_linux.go
+++ b/unix/ztypes_linux.go
@@ -6174,3 +6174,5 @@ type SockDiagReq struct {
 	Family   uint8
 	Protocol uint8
 }
+
+const RTM_NEWNVLAN = 0x70