diff --git a/documentation/Makefile b/documentation/Makefile
index ec64357b4..a6910bbdc 100644
--- a/documentation/Makefile
+++ b/documentation/Makefile
@@ -3,7 +3,7 @@
 #
 # Documentation makefile for the Fast Light Tool Kit (FLTK).
 #
-# Copyright 1998-2009 by Bill Spitzak and others.
+# Copyright 1998-2010 by Bill Spitzak and others.
 #
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public
diff --git a/documentation/src/fltk-book.tex b/documentation/src/fltk-book.tex
index 8ff7a046b..f31fd2c8c 100644
--- a/documentation/src/fltk-book.tex
+++ b/documentation/src/fltk-book.tex
@@ -44,7 +44,7 @@
 Revision 9 by F. Costantini, D. Gibson, M. Melcher, \\
 A. Schlosser, B. Spitzak and M. Sweet.}\\
 \vspace*{1.5cm}
-{\large Copyright 1998-2009 by Bill Spitzak and others.}\\
+{\large Copyright 1998-2010 by Bill Spitzak and others.}\\
 \vspace*{3.5cm}
 {\large Generated by Doxygen 1.5.7.1}\\
 \vspace*{0.5cm}
diff --git a/documentation/src/preface.dox b/documentation/src/preface.dox
index d0e27427d..e0c9b8269 100644
--- a/documentation/src/preface.dox
+++ b/documentation/src/preface.dox
@@ -71,7 +71,7 @@ The Apple Macintosh OS 8.6 and later, including OS X.
 
 \section preface_copyrights Copyrights and Trademarks
 
-FLTK is Copyright 1998-2009 by Bill Spitzak and others.  Use and
+FLTK is Copyright 1998-2010 by Bill Spitzak and others.  Use and
 distribution of FLTK is governed by the GNU Library General Public
 License with 4 exceptions, located in \ref license.