diff --git a/INSTALL b/INSTALL
index 35818eb..d0179ff 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,5 +1,5 @@
 
-Installing libpng version 1.2.48beta01 - February 20, 2012
+Installing libpng version 1.2.48beta01 - February 27, 2012
 
 On Unix/Linux and similar systems, you can simply type
 
diff --git a/LICENSE b/LICENSE
index 6bd2034..030e9ce 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 1.2.48beta01, February 20, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.48beta01, February 27, 2012, are
 Copyright (c) 2004, 2006-2009 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
-February 20, 2012
+February 27, 2012
diff --git a/README b/README
index 5cb302f..b7649c6 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.2.48beta01 - February 20, 2012 (shared library 12.0)
+README for libpng version 1.2.48beta01 - February 27, 2012 (shared library 12.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/Y2KINFO b/Y2KINFO
index cd4868b..ee3bfcd 100644
--- a/Y2KINFO
+++ b/Y2KINFO
@@ -1,7 +1,7 @@
    Y2K compliance in libpng:
    =========================
 
-      February 20, 2012
+      February 27, 2012
 
       Since the PNG Development group is an ad-hoc body, we can't make
       an official declaration.
diff --git a/libpng-1.2.48beta01.txt b/libpng-1.2.48beta01.txt
index 062069b..76b3916 100644
--- a/libpng-1.2.48beta01.txt
+++ b/libpng-1.2.48beta01.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.48beta01 - February 20, 2012
+ libpng version 1.2.48beta01 - February 27, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.2.48beta01 - February 20, 2012
+ libpng versions 0.97, January 1998, through 1.2.48beta01 - February 27, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -3179,7 +3179,7 @@
 
 XIII. Y2K Compliance in libpng
 
-February 20, 2012
+February 27, 2012
 
 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 13f5928..da1a3bf 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "February 20, 2012"
+.TH LIBPNG 3 "February 27, 2012"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.48beta01
 .SH SYNOPSIS
@@ -821,7 +821,7 @@
 .SH LIBPNG.TXT
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.2.48beta01 - February 20, 2012
+ libpng version 1.2.48beta01 - February 27, 2012
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
@@ -832,7 +832,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.2.48beta01 - February 20, 2012
+ libpng versions 0.97, January 1998, through 1.2.48beta01 - February 27, 2012
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2009 Glenn Randers-Pehrson
 
@@ -4000,7 +4000,7 @@
 
 .SH XIII. Y2K Compliance in libpng
 
-February 20, 2012
+February 27, 2012
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
@@ -4376,7 +4376,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.2.48beta01 - February 20, 2012:
+Libpng version 1.2.48beta01 - February 27, 2012:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -4399,7 +4399,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.2.6, August 15, 2004, through 1.2.48beta01, February 20, 2012, are
+libpng versions 1.2.6, August 15, 2004, through 1.2.48beta01, February 27, 2012, are
 Copyright (c) 2004,2006-2008 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
@@ -4498,7 +4498,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-February 20, 2012
+February 27, 2012
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index 8cf45a1..1fb496b 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "February 20, 2012"
+.TH LIBPNGPF 3 "February 27, 2012"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.2.48beta01
 (private functions)
diff --git a/png.5 b/png.5
index 8245693..64ad603 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "February 20, 2012"
+.TH PNG 5 "February 27, 2012"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index cd49e0b..509990b 100644
--- a/png.c
+++ b/png.c
@@ -724,13 +724,13 @@
 #else
 #ifdef __STDC__
    return ((png_charp) PNG_STRING_NEWLINE \
-     "libpng version 1.2.48beta01 - February 20, 2012" PNG_STRING_NEWLINE \
+     "libpng version 1.2.48beta01 - February 27, 2012" PNG_STRING_NEWLINE \
      "Copyright (c) 1998-2011 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \
      "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
      "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
      PNG_STRING_NEWLINE);
 #else
-      return ((png_charp) "libpng version 1.2.48beta01 - February 20, 2012\
+      return ((png_charp) "libpng version 1.2.48beta01 - February 27, 2012\
       Copyright (c) 1998-2011 Glenn Randers-Pehrson\
       Copyright (c) 1996-1997 Andreas Dilger\
       Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.");
diff --git a/png.h b/png.h
index e037fbe..503bd80 100644
--- a/png.h
+++ b/png.h
@@ -1,6 +1,6 @@
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.2.48beta01 - February 20, 2012
+ * libpng version 1.2.48beta01 - February 27, 2012
  * Copyright (c) 1998-2012 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.)
@@ -10,7 +10,7 @@
  * 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 1.2.48beta01 - February 20, 2012: Glenn
+ *  libpng versions 0.97, January 1998, through 1.2.48beta01 - February 27, 2012: Glenn
  *  See also "Contributing Authors", below.
  *
  * Note about libpng version numbers:
@@ -307,7 +307,7 @@
  *
  * This code is released under the libpng license.
  *
- * libpng versions 1.2.6, August 15, 2004, through 1.2.48beta01, February 20, 2012, are
+ * libpng versions 1.2.6, August 15, 2004, through 1.2.48beta01, February 27, 2012, are
  * Copyright (c) 2004, 2006-2011 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:
@@ -419,7 +419,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    February 20, 2012
+ *    February 27, 2012
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -483,7 +483,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.2.48beta01"
 #define PNG_HEADER_VERSION_STRING \
-   " libpng version 1.2.48beta01 - February 20, 2012\n"
+   " libpng version 1.2.48beta01 - February 27, 2012\n"
 
 #define PNG_LIBPNG_VER_SONUM   0
 #define PNG_LIBPNG_VER_DLLNUM  13
diff --git a/pngconf.h b/pngconf.h
index 51356c9..daedb5e 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.48beta01 - February 20, 2012
+ * libpng version 1.2.48beta01 - February 27, 2012
  * Copyright (c) 1998-2012 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/pngread.c b/pngread.c
index ec3b889..8b7fdb0 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1,7 +1,7 @@
 
 /* pngread.c - read a PNG file
  *
- * Last changed in libpng 1.2.48 [February 20, 2012]
+ * Last changed in libpng 1.2.48 [February 27, 2012]
  * Copyright (c) 1998-2012 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/scripts/README.txt b/scripts/README.txt
index 658ea19..b058fb1 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.2.48beta01 - February 20, 2012
+Makefiles for  libpng version 1.2.48beta01 - February 27, 2012
 
  makefile.linux    =>  Linux/ELF makefile
                        (gcc, creates libpng12.so.0.1.2.48beta01)