diff --git a/ChangeLog b/ChangeLog
index 3d27f00b68a0710106a8838250531e6886703198..2358385f9c295acf4e1d1ec36f2c9ae9ea642687 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,20 @@
 
                 ChangeLog file for zlib
 
-Changes in 1.2.5.3 (xx Dec 2011)
-- 
+Changes in 1.2.5.3 (15 Jan 2012)
+- Restore gzgetc function for binary compatibility
+- Do not use _lseeki64 under Borland C++ [Truta]
+- Update win32/Makefile.msc to build test/*.c [Truta]
+- Remove old/visualc6 given CMakefile and other alternatives
+- Update AS400 build files and documentation [Monnerat]
+- Update win32/Makefile.gcc to build test/*.c [Truta]
+- Permit stronger flushes after Z_BLOCK flushes
+- Avoid extraneous empty blocks when doing empty flushes
+- Permit Z_NULL arguments to deflatePending
+- Allow deflatePrime() to insert bits in the middle of a stream
+- Remove second empty static block for Z_PARTIAL_FLUSH
+- Write out all of the available bits when using Z_BLOCK
+- Insert the first two strings in the hash table after a flush
 
 Changes in 1.2.5.2 (17 Dec 2011)
 - fix ld error: unable to find version dependency 'ZLIB_1.2.5'
diff --git a/zlib.3 b/zlib.3
index e906b8d8ed2d15c7a5d025c5c9ab4e88905b6208..c75b502aca7f610a40f86dc46e32552e5dc894e2 100644
--- a/zlib.3
+++ b/zlib.3
@@ -1,4 +1,4 @@
-.TH ZLIB 3 "xx Dec 2011"
+.TH ZLIB 3 "15 Jan 2012"
 .SH NAME
 zlib \- compression/decompression library
 .SH SYNOPSIS
@@ -126,7 +126,7 @@ Send questions and/or comments to zlib@gzip.org,
 or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
 .SH AUTHORS
 Version 1.2.5.3
-Copyright (C) 1995-2011 Jean-loup Gailly (jloup@gzip.org)
+Copyright (C) 1995-2012 Jean-loup Gailly (jloup@gzip.org)
 and Mark Adler (madler@alumni.caltech.edu).
 .LP
 This software is provided "as-is,"
diff --git a/zlib.3.pdf b/zlib.3.pdf
index cd4a7aefa4338afd1791d1faaf13be0b23d59517..e6e9421bf0bfb3a6c6d800512859333e57d0500e 100644
Binary files a/zlib.3.pdf and b/zlib.3.pdf differ
diff --git a/zlib.h b/zlib.h
index 8c2c56e3cffc4d62bd09238d22480f9cb928360a..20bc62c8bfc97e5ceabf2b41a70618501864f6b3 100644
--- a/zlib.h
+++ b/zlib.h
@@ -1,7 +1,7 @@
 /* zlib.h -- interface of the 'zlib' general purpose compression library
-  version 1.2.5.3, December xxth, 2011
+  version 1.2.5.3, January 15th, 2012
 
-  Copyright (C) 1995-2011 Jean-loup Gailly and Mark Adler
+  Copyright (C) 1995-2012 Jean-loup Gailly and Mark Adler
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -37,7 +37,7 @@
 extern "C" {
 #endif
 
-#define ZLIB_VERSION "1.2.5.3-motley"
+#define ZLIB_VERSION "1.2.5.3"
 #define ZLIB_VERNUM 0x1253
 #define ZLIB_VER_MAJOR 1
 #define ZLIB_VER_MINOR 2