diff --git a/LICENSE b/LICENSE
index d5c2087..0d5a311 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.5.0beta55, November 11, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.0beta55, November 21, 2010, are
 Copyright (c) 2004, 2006-2010 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -108,4 +108,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-November 11, 2010
+November 21, 2010
diff --git a/README b/README
index dd4ce7e..2ea2e84 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.5.0beta55 - November 11, 2010 (shared library 15.0)
+README for libpng version 1.5.0beta55 - November 21, 2010 (shared library 15.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 6873bca..c4fe9af 100644
--- a/libpng-manual.txt
+++ b/libpng-manual.txt
@@ -1,6 +1,6 @@
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.0beta55 - November 11, 2010
+ libpng version 1.5.0beta55 - November 21, 2010
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2010 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.0beta55 - November 11, 2010
+ libpng versions 0.97, January 1998, through 1.5.0beta55 - November 21, 2010
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
@@ -3366,7 +3366,7 @@
 
 XIII. Y2K Compliance in libpng
 
-November 11, 2010
+November 21, 2010
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
diff --git a/libpng.3 b/libpng.3
index 72fa778..88ebd5a 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "November 11, 2010"
+.TH LIBPNG 3 "November 21, 2010"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.5.0beta55
 .SH SYNOPSIS
@@ -851,7 +851,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.5.0beta55 - November 11, 2010
+ libpng version 1.5.0beta55 - November 21, 2010
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2010 Glenn Randers-Pehrson
@@ -862,7 +862,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.5.0beta55 - November 11, 2010
+ libpng versions 0.97, January 1998, through 1.5.0beta55 - November 21, 2010
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
@@ -4217,7 +4217,7 @@
 
 .SH XIII. Y2K Compliance in libpng
 
-November 11, 2010
+November 21, 2010
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -4459,7 +4459,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.5.0beta55 - November 11, 2010:
+Libpng version 1.5.0beta55 - November 21, 2010:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4482,7 +4482,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.5.0beta55, November 11, 2010, are
+libpng versions 1.2.6, August 15, 2004, through 1.5.0beta55, November 21, 2010, are
 Copyright (c) 2004,2006-2007 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.2.5
 with the following individual added to the list of Contributing Authors
@@ -4581,7 +4581,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-November 11, 2010
+November 21, 2010
 
 .\" end of man page
 
diff --git a/png.5 b/png.5
index f49cd25..223e3b6 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "November 11, 2010"
+.TH PNG 5 "November 21, 2010"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index 736a5c3..151bac2 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.5.0beta55 - November 11, 2010
+libpng version 1.5.0beta55 - November 21, 2010
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 79dc6db..98a3847 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.5.0beta55 - November 11, 2010
+ * libpng version 1.5.0beta55 - November 21, 2010
  *
  * Copyright (c) 1998-2010 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index caa3f44..8cf2d0a 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.5.0beta55 - November 11, 2010
+Makefiles for  libpng version 1.5.0beta55 - November 21, 2010
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile