diff --git a/AUTHORS b/AUTHORS
index e9fd3843..5ff9d04d 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -93,6 +93,7 @@ Bob Proulx                  bob@proulx.com                      2007-06-25
 Bruce Korb                  bkorb@gnu.org                       2008-05-06
 Benjamin Pfaff              blp@gnu.org                         2008-09-29
 Peter Breitenlohner         peb@mppmu.mpg.de                    2009-08-18
+Stefano Lattarini           stefano.lattarini@gmail.com         2009-10-01
 
 ========================================================================
 
diff --git a/ChangeLog b/ChangeLog
index 3351e3a3..9dadf75a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-31  Eric Blake  <ebb9@byu.net>
+
+	Update authors.
+	* AUTHORS: Document recent copyright assignments.
+
 2009-10-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	Do not fail OpenMP tests on systems without aclocal.