diff --git a/README b/README
index d7477510a9..c627922e1f 100644
--- a/README
+++ b/README
@@ -127,7 +127,8 @@ REQUIREMENTS:
         glibc >= 2.16
         libcap
         libmount >= 2.27.1 (from util-linux)
-                (util-linux *must* be built with --enable-libmount-force-mountinfo)
+                (util-linux < 2.29 *must* be built with --enable-libmount-force-mountinfo,
+                 and later versions without --enable-libmount-support-mtab.)
         libseccomp >= 2.3.1 (optional)
         libblkid >= 2.24 (from util-linux) (optional)
         libkmod >= 15 (optional)