diff --git a/MAINTAINERS b/MAINTAINERS
index 3c7db622..a06ee43 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4054,6 +4054,14 @@
 W:	http://user-mode-linux.sourceforge.net
 S:	Maintained
 
+USERSPACE I/O (UIO)
+P:	Hans J. Koch
+M:	hjk@linutronix.de
+P:	Greg Kroah-Hartman
+M:	gregkh@suse.de
+L:	linux-kernel@vger.kernel.org
+S:	Maintained
+
 FAT/VFAT/MSDOS FILESYSTEM:
 P:	OGAWA Hirofumi
 M:	hirofumi@mail.parknet.co.jp