diff --git a/unix/zerrors_linux_386.go b/unix/zerrors_linux_386.go
index 4066ad1..245f585 100644
--- a/unix/zerrors_linux_386.go
+++ b/unix/zerrors_linux_386.go
@@ -1842,6 +1842,8 @@
 	TUNSETVNETHDRSZ                      = 0x400454d8
 	TUNSETVNETLE                         = 0x400454dc
 	UMOUNT_NOFOLLOW                      = 0x8
+	UTIME_NOW                            = 0x3fffffff
+	UTIME_OMIT                           = 0x3ffffffe
 	VDISCARD                             = 0xd
 	VEOF                                 = 0x4
 	VEOL                                 = 0xb