diff --git a/README b/README
index ec05bddd4..50d21455b 100644
--- a/README
+++ b/README
@@ -16,7 +16,7 @@ LVs, what filesystem is in each LV, etc.).  It can also run commands
 in the context of the guest.  Also you can access filesystems over FTP.
 
 Libguestfs is a library that can be linked with C and C++ management
-programs (or management programs written in OCaml, Perl or Python).
+programs (or management programs written in OCaml, Perl, Python or Ruby).
 You can also use it from shell scripts or the command line.
 
 Libguestfs was written by Richard W.M. Jones (rjones@redhat.com).
diff --git a/guestfs.pod b/guestfs.pod
index dc059c48b..5006ba493 100644
--- a/guestfs.pod
+++ b/guestfs.pod
@@ -37,7 +37,7 @@ LVs, what filesystem is in each LV, etc.).  It can also run commands
 in the context of the guest.  Also you can access filesystems over FTP.
 
 Libguestfs is a library that can be linked with C and C++ management
-programs (or management programs written in OCaml, Perl or Python).
+programs (or management programs written in OCaml, Perl, Python or Ruby).
 You can also use it from shell scripts or the command line.
 
 You don't need to be root to use libguestfs, although obviously you do