diff --git a/ANNOUNCE b/ANNOUNCE
index e7603db..e56b395 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,4 +1,4 @@
-Libpng 1.6.22beta05 - April 19, 2016
+Libpng 1.6.22beta05 - April 27, 2016
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -83,7 +83,7 @@
     memcpy-free implementations of load3() / store3().
     call load3() only when needed at the end of a scanline.
 
-Version 1.6.22beta05 [April 19, 2016]
+Version 1.6.22beta05 [April 27, 2016]
   Added PNG_FAST_FILTERS macro (defined as
     PNG_FILTER_NONE|PNG_FILTER_SUB|PNG_FILTER_UP).
   Various fixes for contrib/libtests/timepng.c
diff --git a/CHANGES b/CHANGES
index a3fd9c3..4581f9b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -5543,7 +5543,7 @@
     memcpy-free implementations of load3() / store3().
     call load3() only when needed at the end of a scanline.
 
-Version 1.6.22beta05 [April 19, 2016]
+Version 1.6.22beta05 [April 27, 2016]
   Added PNG_FAST_FILTERS macro (defined as
     PNG_FILTER_NONE|PNG_FILTER_SUB|PNG_FILTER_UP).
   Various fixes for contrib/libtests/timepng.c
diff --git a/LICENSE b/LICENSE
index d14cef4..d7b7045 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 1.6.22beta05, April 5, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 27, 2016 are
 Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
 derived from libpng-1.0.6, and are distributed according to the same
 disclaimer and license as libpng-1.0.6 with the following individuals
@@ -127,4 +127,4 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-April 5, 2016
+April 27, 2016
diff --git a/README b/README
index 7f6e0dd..2b901e8 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-README for libpng version 1.6.22beta05 - April 5, 2016 (shared library 16.0)
+README for libpng version 1.6.22beta05 - April 27, 2016 (shared library 16.0)
 See the note about version numbers near the top of png.h
 
 See INSTALL for instructions on how to install libpng.
diff --git a/contrib/intel/INSTALL b/contrib/intel/INSTALL
index bed34a9..00aaca9 100644
--- a/contrib/intel/INSTALL
+++ b/contrib/intel/INSTALL
@@ -155,7 +155,7 @@
 
 -----------------cut----------------
 
-6. Add the following lines to pngpriv.h, following the prototype for
+5. Add the following lines to pngpriv.h, following the prototype for
 png_read_filter_row_paeth4_neon:
 
 -----------------cut----------------
diff --git a/libpng-manual.txt b/libpng-manual.txt
index 5c1aaa0..934064f 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 1.6.22beta05 - April 11, 2016
+ libpng version 1.6.22beta05 - April 27, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -11,7 +11,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.22beta05 - April 11, 2016
+ libpng versions 0.97, January 1998, through 1.6.22beta05 - April 27, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
diff --git a/libpng.3 b/libpng.3
index f40f1a9..fdd0f15 100644
--- a/libpng.3
+++ b/libpng.3
@@ -1,4 +1,4 @@
-.TH LIBPNG 3 "April 11, 2016"
+.TH LIBPNG 3 "April 27, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.22beta05
 .SH SYNOPSIS
@@ -510,7 +510,7 @@
 .SH LIBPNG.TXT
 libpng-manual.txt - A description on how to use and modify libpng
 
- libpng version 1.6.22beta05 - April 11, 2016
+ libpng version 1.6.22beta05 - April 27, 2016
  Updated and distributed by Glenn Randers-Pehrson
  <glennrp at users.sourceforge.net>
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
@@ -521,7 +521,7 @@
 
  Based on:
 
- libpng versions 0.97, January 1998, through 1.6.22beta05 - April 11, 2016
+ libpng versions 0.97, January 1998, through 1.6.22beta05 - April 27, 2016
  Updated and distributed by Glenn Randers-Pehrson
  Copyright (c) 1998-2016 Glenn Randers-Pehrson
 
@@ -6013,7 +6013,7 @@
 
 Thanks to Frank J. T. Wojcik for helping with the documentation.
 
-Libpng version 1.6.22beta05 - April 11, 2016:
+Libpng version 1.6.22beta05 - April 27, 2016:
 Initially created in 1995 by Guy Eric Schalnat, then of Group 42, Inc.
 Currently maintained by Glenn Randers-Pehrson (glennrp at users.sourceforge.net).
 
@@ -6038,7 +6038,7 @@
 
 This code is released under the libpng license.
 
-libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 11, 2016 are
+libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 27, 2016 are
 Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
 derived from libpng-1.0.6, and are distributed according to the same
 disclaimer and license as libpng-1.0.6 with the following individuals
@@ -6163,7 +6163,7 @@
 
 Glenn Randers-Pehrson
 glennrp at users.sourceforge.net
-April 11, 2016
+April 27, 2016
 
 .\" end of man page
 
diff --git a/libpngpf.3 b/libpngpf.3
index feacb5c..0df2c13 100644
--- a/libpngpf.3
+++ b/libpngpf.3
@@ -1,4 +1,4 @@
-.TH LIBPNGPF 3 "April 5, 2016"
+.TH LIBPNGPF 3 "April 27, 2016"
 .SH NAME
 libpng \- Portable Network Graphics (PNG) Reference Library 1.6.22beta05
 (private functions)
diff --git a/png.5 b/png.5
index 36d0181..1daf116 100644
--- a/png.5
+++ b/png.5
@@ -1,4 +1,4 @@
-.TH PNG 5 "April 5, 2016"
+.TH PNG 5 "April 27, 2016"
 .SH NAME
 png \- Portable Network Graphics (PNG) format
 .SH DESCRIPTION
diff --git a/png.c b/png.c
index 675a521..f330964 100644
--- a/png.c
+++ b/png.c
@@ -775,14 +775,14 @@
 #else
 #  ifdef __STDC__
    return PNG_STRING_NEWLINE \
-      "libpng version 1.6.22beta05 - April 5, 2016" PNG_STRING_NEWLINE \
+      "libpng version 1.6.22beta05 - April 27, 2016" PNG_STRING_NEWLINE \
       "Copyright (c) 1998-2002,2004,2006-2016 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 "libpng version 1.6.22beta05 - April 5, 2016\
+   return "libpng version 1.6.22beta05 - April 27, 2016\
       Copyright (c) 1998-2002,2004,2006-2016 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 23df0db..4786a68 100644
--- a/png.h
+++ b/png.h
@@ -1,7 +1,7 @@
 
 /* png.h - header file for PNG reference library
  *
- * libpng version 1.6.22beta05, April 19, 2016
+ * libpng version 1.6.22beta05, April 27, 2016
  *
  * Copyright (c) 1998-2002,2004,2006-2016 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 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
- *   libpng versions 0.97, January 1998, through 1.6.22beta05, April 19, 2016:
+ *   libpng versions 0.97, January 1998, through 1.6.22beta05, April 27, 2016:
  *     Glenn Randers-Pehrson.
  *   See also "Contributing Authors", below.
  */
@@ -29,7 +29,7 @@
  * files that are distributed with libpng have other copyright owners and
  * are released under other open source licenses.
  *
- * libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 19, 2016 are
+ * libpng versions 1.0.7, July 1, 2000 through 1.6.22beta05, April 27, 2016 are
  * Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
  * derived from libpng-1.0.6, and are distributed according to the same
  * disclaimer and license as libpng-1.0.6 with the following individuals
@@ -245,7 +245,7 @@
  * Y2K compliance in libpng:
  * =========================
  *
- *    April 19, 2016
+ *    April 27, 2016
  *
  *    Since the PNG Development group is an ad-hoc body, we can't make
  *    an official declaration.
@@ -315,7 +315,7 @@
 /* Version information for png.h - this should match the version in png.c */
 #define PNG_LIBPNG_VER_STRING "1.6.22beta05"
 #define PNG_HEADER_VERSION_STRING \
-     " libpng version 1.6.22beta05 - April 19, 2016\n"
+     " libpng version 1.6.22beta05 - April 27, 2016\n"
 
 #define PNG_LIBPNG_VER_SONUM   16
 #define PNG_LIBPNG_VER_DLLNUM  16
diff --git a/pngconf.h b/pngconf.h
index b9c4cc2..a849fbd 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -1,7 +1,7 @@
 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.6.22beta05, April 5, 2016
+ * libpng version 1.6.22beta05, April 27, 2016
  *
  * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
diff --git a/projects/vstudio/README.txt b/projects/vstudio/README.txt
index 3b82a97..aa1ddd9 100644
--- a/projects/vstudio/README.txt
+++ b/projects/vstudio/README.txt
@@ -1,7 +1,7 @@
 
 VisualStudio instructions
 
-libpng version 1.6.22beta05 - April 5, 2016
+libpng version 1.6.22beta05 - April 27, 2016
 
 Copyright (c) 2010,2013,2015 Glenn Randers-Pehrson
 
diff --git a/projects/vstudio/zlib.props b/projects/vstudio/zlib.props
index 43f7633..f1d5b50 100644
--- a/projects/vstudio/zlib.props
+++ b/projects/vstudio/zlib.props
@@ -2,7 +2,7 @@
 <!--
  * zlib.props - location of zlib source
  *
- * libpng version 1.6.22beta05 - April 5, 2016
+ * libpng version 1.6.22beta05 - April 27, 2016
  *
  * Copyright (c) 1998-2011 Glenn Randers-Pehrson
  *
diff --git a/scripts/README.txt b/scripts/README.txt
index 4f77f0c..65a86b5 100644
--- a/scripts/README.txt
+++ b/scripts/README.txt
@@ -1,5 +1,5 @@
 
-Makefiles for  libpng version 1.6.22beta05 - April 5, 2016
+Makefiles for  libpng version 1.6.22beta05 - April 27, 2016
 
 pnglibconf.h.prebuilt       =>  Stores configuration settings
  makefile.linux    =>  Linux/ELF makefile
diff --git a/scripts/pnglibconf.h.prebuilt b/scripts/pnglibconf.h.prebuilt
index 78d33a2..93f9450 100644
--- a/scripts/pnglibconf.h.prebuilt
+++ b/scripts/pnglibconf.h.prebuilt
@@ -2,7 +2,7 @@
 
 /* pnglibconf.h - library build configuration */
 
-/* Libpng version 1.6.22beta05 - April 5, 2016 */
+/* Libpng version 1.6.22beta05 - April 27, 2016 */
 
 /* Copyright (c) 1998-2015 Glenn Randers-Pehrson */