diff --git a/INSTALL b/INSTALL
index 81af577..d9757cd 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.4.17beta03 - October 15, 2015
+Installing libpng version 1.4.17beta03 - October 23, 2015
 
 On Unix/Linux and similar systems, you can simply type
 
diff --git a/LICENSE b/LICENSE
index 3871580..96871b6 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 15, 2015, are
+libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 23, 2015, are
 Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors:
@@ -102,4 +102,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-October 15, 2015
+October 23, 2015
diff --git a/README b/README
index f8826ac..35eb41e 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.4.17beta03 - October 15, 2015 (shared library 14.0)
+README for libpng version 1.4.17beta03 - October 23, 2015 (shared library 14.0)
 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-1.4.17beta03.txt b/libpng-1.4.17beta03.txt
index 070a668..f48487a 100644
--- a/libpng-1.4.17beta03.txt
+++ b/libpng-1.4.17beta03.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.17beta03 - October 15, 2015
+ libpng version 1.4.17beta03 - October 23, 2015
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.17beta03 - October 15, 2015
+ libpng versions 0.97, January 1998, through 1.4.17beta03 - October 23, 2015
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
 
@@ -3284,7 +3284,7 @@
 
 XIII. Y2K Compliance in libpng
 
-October 15, 2015
+October 23, 2015
 
 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 f9a02e9..b1b0247 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "October 15, 2015"
+.TH LIBPNG 3 "October 23, 2015"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.17beta03
 .SH SYNOPSIS
@@ -442,7 +442,7 @@
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.4.17beta03 - October 15, 2015
+ libpng version 1.4.17beta03 - October 23, 2015
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
@@ -453,7 +453,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.4.17beta03 - October 15, 2015
+ libpng versions 0.97, January 1998, through 1.4.17beta03 - October 23, 2015
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2014 Glenn Randers-Pehrson
 
@@ -3726,7 +3726,7 @@
 
 .SH XIII. Y2K Compliance in libpng
 
-October 15, 2015
+October 23, 2015
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -4009,7 +4009,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.4.17beta03 - October 15, 2015:
+Libpng version 1.4.17beta03 - October 23, 2015:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4032,7 +4032,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 15, 2015, are
+libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 23, 2015, are
 Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
 distributed according to the same disclaimer and license as libpng-1.0.6
 with the following individuals added to the list of Contributing Authors:
@@ -4124,7 +4124,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-October 15, 2015
+October 23, 2015
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 7ddae23..38bf5d0 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "October 15, 2015"
+.TH LIBPNGPF 3 "October 23, 2015"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.4.17beta03
 (private functions)
diff --git a/png.5 b/png.5
index 7ffc1d3..5fd57a0 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "October 15, 2015"
+.TH PNG 5 "October 23, 2015"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.h b/png.h
index c0dcfc3..c3af492 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.4.17beta03, October 15, 2015
+ * libpng version 1.4.17beta03, October 23, 2015
  *
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -12,7 +12,7 @@
  * Authors and maintainers:
  *  libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
  *  libpng versions 0.89c, June 1996, through 0.96, May 1997: Andreas Dilger
- *  libpng versions 0.97, January 1998, through 1.4.17beta03, October 15, 2015: Glenn
+ *  libpng versions 0.97, January 1998, through 1.4.17beta03, October 23, 2015: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -215,7 +215,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 15, 2015, are
+ * libpng versions 1.0.7, July 1, 2000, through 1.4.17beta03, October 23, 2015, are
  * Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
  * distributed according to the same disclaimer and license as libpng-1.0.6
  * with the following individuals added to the list of Contributing Authors:
@@ -322,7 +322,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    October 15, 2015
+ *    October 23, 2015
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -386,7 +386,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.4.17beta03"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.4.17beta03 - October 15, 2015\n"
+   " libpng version 1.4.17beta03 - October 23, 2015\n"
 
 #define PNG_LIBPNG_VER_SONUM   14
 #define PNG_LIBPNG_VER_DLLNUM  14
diff --git a/pngconf.h b/pngconf.h
index 8acd0f4..0cd8d41 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.4.17beta03, October 15, 2015
+ * libpng version 1.4.17beta03, October 23, 2015
  *
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngpriv.h b/pngpriv.h
index 19fffe2..30ee324 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -1,7 +1,7 @@
 
 /* pngpriv.h - private declarations for use inside libpng
  *
- * libpng version 1.4.17beta03 - October 15, 2015
+ * libpng version 1.4.17beta03 - October 23, 2015
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1998-2014 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/pngtest.c b/pngtest.c
index 579d0aa..d5ec782 100644
--- a/pngtest.c
+++ b/pngtest.c
@@ -1,7 +1,7 @@
 
 /* pngtest.c - a simple test program to test libpng
  *
- * Last changed in libpng 1.4.17 [October 15, 2015]
+ * Last changed in libpng 1.4.17 [October 23, 2015]
  * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
diff --git a/projects/vstudio/readme.txt b/projects/vstudio/readme.txt
index c40147b..6d2a89b 100644
--- a/projects/vstudio/readme.txt
+++ b/projects/vstudio/readme.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.4.17beta03 - October 15, 2015
+libpng version 1.4.17beta03 - October 23, 2015
 
 Copyright (c) 1998-2010 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index a33c9de..dd5dab3 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source and build
  *
- * libpng version 1.4.17beta03 - October 15, 2015
+ * libpng version 1.4.17beta03 - October 23, 2015
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index cfa2997..704cf81 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.4.17beta03 - October 15, 2015
+Makefiles for  libpng version 1.4.17beta03 - October 23, 2015
 
  makefile.linux    =>  Linux/ELF makefile
                        (gcc, creates libpng14.so.14.1.4.17beta03)