diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14411a4..659afa9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@
 
 project(zlib C)
 
-set(VERSION "1.2.9")
+set(VERSION "1.2.9.1")
 
 option(ASM686 "Enable building i686 assembly implementation")
 option(AMD64 "Enable building amd64 assembly implementation")
diff --git a/ChangeLog b/ChangeLog
index 63d0495..7584851 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,9 @@
 
                 ChangeLog file for zlib
 
+Changes in 1.2.9.1 (xx Jan 2017)
+- 
+
 Changes in 1.2.9 (31 Dec 2016)
 - Fix contrib/minizip to permit unzipping with desktop API [Zouzou]
 - Improve contrib/blast to return unused bytes
diff --git a/Makefile.in b/Makefile.in
index c8b487c..82bbe50 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -32,7 +32,7 @@
 
 STATICLIB=libz.a
 SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.2.9
+SHAREDLIBV=libz.so.1.2.9.1
 SHAREDLIBM=libz.so.1
 LIBS=$(STATICLIB) $(SHAREDLIBV)
 
diff --git a/README b/README
index 8002f39..6610335 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.2.9 is a general purpose data compression library.  All the code is
+zlib 1.2.9.1 is a general purpose data compression library.  All the code is
 thread safe.  The data format used by the zlib library is described by RFCs
 (Request for Comments) 1950 to 1952 in the files
 http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
@@ -31,7 +31,7 @@
 issue of Dr.  Dobb's Journal; a copy of the article is available at
 http://marknelson.us/1997/01/01/zlib-engine/ .
 
-The changes made in version 1.2.9 are documented in the file ChangeLog.
+The changes made in version 1.2.9.1 are documented in the file ChangeLog.
 
 Unsupported third party contributions are provided in directory contrib/ .
 
@@ -84,7 +84,7 @@
 
 Copyright notice:
 
- (C) 1995-2016 Jean-loup Gailly and Mark Adler
+ (C) 1995-2017 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
diff --git a/contrib/delphi/ZLib.pas b/contrib/delphi/ZLib.pas
index 7a3cb66..4c654cf 100644
--- a/contrib/delphi/ZLib.pas
+++ b/contrib/delphi/ZLib.pas
@@ -152,7 +152,7 @@
   const OutBuf: Pointer; BufSize: Integer);
 
 const
-  zlib_version = '1.2.9';
+  zlib_version = '1.2.9.1';
 
 type
   EZlibError = class(Exception);
diff --git a/contrib/dotzlib/DotZLib/UnitTests.cs b/contrib/dotzlib/DotZLib/UnitTests.cs
index 3d156f4..f22a8de 100644
--- a/contrib/dotzlib/DotZLib/UnitTests.cs
+++ b/contrib/dotzlib/DotZLib/UnitTests.cs
@@ -156,7 +156,7 @@
         public void Info_Version()
         {
             Info info = new Info();
-            Assert.AreEqual("1.2.9", Info.Version);
+            Assert.AreEqual("1.2.9.1", Info.Version);
             Assert.AreEqual(32, info.SizeOfUInt);
             Assert.AreEqual(32, info.SizeOfULong);
             Assert.AreEqual(32, info.SizeOfPointer);
diff --git a/contrib/infback9/inftree9.c b/contrib/infback9/inftree9.c
index 2103aee..97f330b 100644
--- a/contrib/infback9/inftree9.c
+++ b/contrib/infback9/inftree9.c
@@ -1,5 +1,5 @@
 /* inftree9.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2016 Mark Adler
+ * Copyright (C) 1995-2017 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate9_copyright[] =
-   " inflate9 1.2.9 Copyright 1995-2016 Mark Adler ";
+   " inflate9 1.2.9.1 Copyright 1995-2017 Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -64,7 +64,7 @@
     static const unsigned short lext[31] = { /* Length codes 257..285 extra */
         128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129,
         130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132,
-        133, 133, 133, 133, 144, 192, 79};
+        133, 133, 133, 133, 144, 203, 201};
     static const unsigned short dbase[32] = { /* Distance codes 0..31 base */
         1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49,
         65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073,
diff --git a/contrib/minizip/configure.ac b/contrib/minizip/configure.ac
index 54d823f..6496d71 100644
--- a/contrib/minizip/configure.ac
+++ b/contrib/minizip/configure.ac
@@ -1,7 +1,7 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([minizip], [1.2.9], [bugzilla.redhat.com])
+AC_INIT([minizip], [1.2.9.1], [bugzilla.redhat.com])
 AC_CONFIG_SRCDIR([minizip.c])
 AM_INIT_AUTOMAKE([foreign])
 LT_INIT
diff --git a/contrib/pascal/zlibpas.pas b/contrib/pascal/zlibpas.pas
index aebaea0..0ae6d75 100644
--- a/contrib/pascal/zlibpas.pas
+++ b/contrib/pascal/zlibpas.pas
@@ -10,8 +10,8 @@
 interface
 
 const
-  ZLIB_VERSION = '1.2.9';
-  ZLIB_VERNUM  = $1290;
+  ZLIB_VERSION = '1.2.9.1';
+  ZLIB_VERNUM  = $1291;
 
 type
   alloc_func = function(opaque: Pointer; items, size: Integer): Pointer;
diff --git a/contrib/vstudio/readme.txt b/contrib/vstudio/readme.txt
index 3954bc4..439d595 100644
--- a/contrib/vstudio/readme.txt
+++ b/contrib/vstudio/readme.txt
@@ -1,4 +1,4 @@
-Building instructions for the DLL versions of Zlib 1.2.9
+Building instructions for the DLL versions of Zlib 1.2.9.1
 ========================================================
 
 This directory contains projects that build zlib and minizip using
@@ -75,4 +75,4 @@
 info@winimage.com
 
 Visual Studio 2013 and 2015 Projects from Sean Hunt
-seandhunt_7@yahoo.com
\ No newline at end of file
+seandhunt_7@yahoo.com
diff --git a/contrib/vstudio/vc10/zlib.rc b/contrib/vstudio/vc10/zlib.rc
index d846820..a947595 100644
--- a/contrib/vstudio/vc10/zlib.rc
+++ b/contrib/vstudio/vc10/zlib.rc
@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1, 2, 9, 0
-  PRODUCTVERSION 1, 2, 9, 0
+  FILEVERSION	 1, 2, 9, 1
+  PRODUCTVERSION 1, 2, 9, 1
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.9\0"
+      VALUE "FileVersion",	"1.2.9.1\0"
       VALUE "InternalName",	"zlib\0"
       VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2016 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"
diff --git a/contrib/vstudio/vc11/zlib.rc b/contrib/vstudio/vc11/zlib.rc
index d846820..a947595 100644
--- a/contrib/vstudio/vc11/zlib.rc
+++ b/contrib/vstudio/vc11/zlib.rc
@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1, 2, 9, 0
-  PRODUCTVERSION 1, 2, 9, 0
+  FILEVERSION	 1, 2, 9, 1
+  PRODUCTVERSION 1, 2, 9, 1
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.9\0"
+      VALUE "FileVersion",	"1.2.9.1\0"
       VALUE "InternalName",	"zlib\0"
       VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2016 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"
diff --git a/contrib/vstudio/vc12/zlib.rc b/contrib/vstudio/vc12/zlib.rc
index 24727c8..e7c1d65 100644
--- a/contrib/vstudio/vc12/zlib.rc
+++ b/contrib/vstudio/vc12/zlib.rc
@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1, 2, 9, 0
-  PRODUCTVERSION 1, 2, 9, 0
+  FILEVERSION	 1, 2, 9, 1
+  PRODUCTVERSION 1, 2, 9, 1
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.9\0"
+      VALUE "FileVersion",	"1.2.9.1\0"
       VALUE "InternalName",	"zlib\0"
       VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2016 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"
diff --git a/contrib/vstudio/vc14/zlib.rc b/contrib/vstudio/vc14/zlib.rc
index 24727c8..e7c1d65 100644
--- a/contrib/vstudio/vc14/zlib.rc
+++ b/contrib/vstudio/vc14/zlib.rc
@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1, 2, 9, 0
-  PRODUCTVERSION 1, 2, 9, 0
+  FILEVERSION	 1, 2, 9, 1
+  PRODUCTVERSION 1, 2, 9, 1
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.9\0"
+      VALUE "FileVersion",	"1.2.9.1\0"
       VALUE "InternalName",	"zlib\0"
       VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2016 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"
diff --git a/contrib/vstudio/vc9/zlib.rc b/contrib/vstudio/vc9/zlib.rc
index d846820..a947595 100644
--- a/contrib/vstudio/vc9/zlib.rc
+++ b/contrib/vstudio/vc9/zlib.rc
@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1, 2, 9, 0
-  PRODUCTVERSION 1, 2, 9, 0
+  FILEVERSION	 1, 2, 9, 1
+  PRODUCTVERSION 1, 2, 9, 1
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.9\0"
+      VALUE "FileVersion",	"1.2.9.1\0"
       VALUE "InternalName",	"zlib\0"
       VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2016 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2017 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"
diff --git a/deflate.c b/deflate.c
index 415adbf..f13af8f 100644
--- a/deflate.c
+++ b/deflate.c
@@ -1,5 +1,5 @@
 /* deflate.c -- compress data using the deflation algorithm
- * Copyright (C) 1995-2016 Jean-loup Gailly and Mark Adler
+ * Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -52,7 +52,7 @@
 #include "deflate.h"
 
 const char deflate_copyright[] =
-   " deflate 1.2.9 Copyright 1995-2016 Jean-loup Gailly and Mark Adler ";
+   " deflate 1.2.9.1 Copyright 1995-2017 Jean-loup Gailly and Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
diff --git a/inftrees.c b/inftrees.c
index fa27dcb..2e8514a 100644
--- a/inftrees.c
+++ b/inftrees.c
@@ -1,5 +1,5 @@
 /* inftrees.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2016 Mark Adler
+ * Copyright (C) 1995-2017 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate_copyright[] =
-   " inflate 1.2.9 Copyright 1995-2016 Mark Adler ";
+   " inflate 1.2.9.1 Copyright 1995-2017 Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -62,7 +62,7 @@
         35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
     static const unsigned short lext[31] = { /* Length codes 257..285 extra */
         16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
-        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 192, 79};
+        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 203, 201};
     static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
         1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
         257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
diff --git a/os400/README400 b/os400/README400
index 7926d7c..7f10a3b 100644
--- a/os400/README400
+++ b/os400/README400
@@ -1,4 +1,4 @@
-        ZLIB version 1.2.9 for OS/400 installation instructions
+        ZLIB version 1.2.9.1 for OS/400 installation instructions
 
 1) Download and unpack the zlib tarball to some IFS directory.
    (i.e.: /path/to/the/zlib/ifs/source/directory)
diff --git a/os400/zlib.inc b/os400/zlib.inc
index 5431e54..cdc2f72 100644
--- a/os400/zlib.inc
+++ b/os400/zlib.inc
@@ -1,7 +1,7 @@
       *  ZLIB.INC - Interface to the general purpose compression library
       *
       *  ILE RPG400 version by Patrick Monnerat, DATASPHERE.
-      *  Version 1.2.9
+      *  Version 1.2.9.1
       *
       *
       *  WARNING:
@@ -22,14 +22,14 @@
       *
       *  Versioning information.
       *
-     D ZLIB_VERSION    C                   '1.2.9'
-     D ZLIB_VERNUM     C                   X'1290'
+     D ZLIB_VERSION    C                   '1.2.9.1'
+     D ZLIB_VERNUM     C                   X'1291'
      D ZLIB_VER_MAJOR  C                   1
      D ZLIB_VER_MINOR  C                   2
      D ZLIB_VER_REVISION...
      D                 C                   9
      D ZLIB_VER_SUBREVISION...
-     D                 C                   0
+     D                 C                   1
       *
       *  Other equates.
       *
diff --git a/qnx/package.qpg b/qnx/package.qpg
index 67a8777..d95eb03 100644
--- a/qnx/package.qpg
+++ b/qnx/package.qpg
@@ -25,10 +25,10 @@
       <QPG:Files>
          <QPG:Add file="../zconf.h" install="/opt/include/" user="root:sys" permission="644"/>
          <QPG:Add file="../zlib.h" install="/opt/include/" user="root:sys" permission="644"/>
-         <QPG:Add file="../libz.so.1.2.9" install="/opt/lib/" user="root:bin" permission="644"/>
-         <QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.2.9"/>
-         <QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.2.9"/>
-         <QPG:Add file="../libz.so.1.2.9" install="/opt/lib/" component="slib"/>
+         <QPG:Add file="../libz.so.1.2.9.1" install="/opt/lib/" user="root:bin" permission="644"/>
+         <QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.2.9.1"/>
+         <QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.2.9.1"/>
+         <QPG:Add file="../libz.so.1.2.9.1" install="/opt/lib/" component="slib"/>
       </QPG:Files>
 
       <QPG:PackageFilter>
@@ -63,7 +63,7 @@
             </QPM:ProductDescription>
 
             <QPM:ReleaseDescription>
-               <QPM:ReleaseVersion>1.2.9</QPM:ReleaseVersion>
+               <QPM:ReleaseVersion>1.2.9.1</QPM:ReleaseVersion>
                <QPM:ReleaseUrgency>Medium</QPM:ReleaseUrgency>
                <QPM:ReleaseStability>Stable</QPM:ReleaseStability>
                <QPM:ReleaseNoteMinor></QPM:ReleaseNoteMinor>
diff --git a/treebuild.xml b/treebuild.xml
index 931ee5a..001d15e 100644
--- a/treebuild.xml
+++ b/treebuild.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" ?>
-<package name="zlib" version="1.2.9">
-    <library name="zlib" dlversion="1.2.9" dlname="z">
+<package name="zlib" version="1.2.9.1">
+    <library name="zlib" dlversion="1.2.9.1" dlname="z">
 	<property name="description"> zip compression library </property>
 	<property name="include-target-dir" value="$(@PACKAGE/install-includedir)" />
 
diff --git a/win32/README-WIN32.txt b/win32/README-WIN32.txt
index 5002f3c..592b215 100644
--- a/win32/README-WIN32.txt
+++ b/win32/README-WIN32.txt
@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.2.9 is a general purpose data compression library.  All the code is
+zlib 1.2.9.1 is a general purpose data compression library.  All the code is
 thread safe.  The data format used by the zlib library is described by RFCs
 (Request for Comments) 1950 to 1952 in the files
 http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
@@ -22,7 +22,7 @@
 
 Manifest:
 
-The package zlib-1.2.9-win32-x86.zip will contain the following files:
+The package zlib-1.2.9.1-win32-x86.zip will contain the following files:
 
   README-WIN32.txt This document
   ChangeLog        Changes since previous zlib packages
diff --git a/zlib.3 b/zlib.3
index cbac458..20c64b5 100644
--- a/zlib.3
+++ b/zlib.3
@@ -1,4 +1,4 @@
-.TH ZLIB 3 "31 Dec 2016"
+.TH ZLIB 3 "xx Jan 2017"
 .SH NAME
 zlib \- compression/decompression library
 .SH SYNOPSIS
@@ -105,9 +105,9 @@
 Send questions and/or comments to zlib@gzip.org,
 or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
 .SH AUTHORS AND LICENSE
-Version 1.2.9
+Version 1.2.9.1
 .LP
-Copyright (C) 1995-2016 Jean-loup Gailly and Mark Adler
+Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
 .LP
 This software is provided 'as-is', without any express or implied
 warranty.  In no event will the authors be held liable for any damages
diff --git a/zlib.3.pdf b/zlib.3.pdf
index 5c71eed..141466a 100644
--- a/zlib.3.pdf
+++ b/zlib.3.pdf
Binary files differ
diff --git a/zlib.h b/zlib.h
index 69fbb97..16ce8f2 100644
--- a/zlib.h
+++ b/zlib.h
@@ -1,7 +1,7 @@
 /* zlib.h -- interface of the 'zlib' general purpose compression library
-  version 1.2.9, December 31st, 2016
+  version 1.2.9.1, January xxth, 2017
 
-  Copyright (C) 1995-2016 Jean-loup Gailly and Mark Adler
+  Copyright (C) 1995-2017 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
@@ -37,12 +37,12 @@
 extern "C" {
 #endif
 
-#define ZLIB_VERSION "1.2.9"
-#define ZLIB_VERNUM 0x1290
+#define ZLIB_VERSION "1.2.9.1-motley"
+#define ZLIB_VERNUM 0x1291
 #define ZLIB_VER_MAJOR 1
 #define ZLIB_VER_MINOR 2
 #define ZLIB_VER_REVISION 9
-#define ZLIB_VER_SUBREVISION 0
+#define ZLIB_VER_SUBREVISION 1
 
 /*
     The 'zlib' compression library provides in-memory compression and