21 files changed, 43 insertions, 40 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e103c409..eef01a89 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.12...3.31)
 project(
     zlib
     LANGUAGES C
-    VERSION 1.3.2
+    VERSION 1.3.2.1
     HOMEPAGE_URL "https://zlib.net/"
     DESCRIPTION "a general-purpose lossless data-compression library")
 
diff --git a/ChangeLog b/ChangeLog
index 312753ed..4e86c268 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,9 @@
 
                 ChangeLog file for zlib
 
+Changes in 1.3.2.1 (xx Feb 2026)
+- 
+
 Changes in 1.3.2 (17 Feb 2026)
 - Continued rewrite of CMake build [Vollstrecker]
 - Various portability improvements
diff --git a/Makefile.in b/Makefile.in
index bee83edf..ccb3c4f0 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -31,7 +31,7 @@ VGFMAFLAG=
 
 STATICLIB=libz.a
 SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.3.2
+SHAREDLIBV=libz.so.1.3.2.1
 SHAREDLIBM=libz.so.1
 LIBS=$(STATICLIB) $(SHAREDLIBV)
 
diff --git a/README b/README
index 2b1e6f36..e28388bf 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.3.2 is a general purpose data compression library.  All the code is
+zlib 1.3.2.1 is a general purpose data compression library.  All the code is
 thread safe (though see the FAQ for caveats).  The data format used by the zlib
 library is described by RFCs (Request for Comments) 1950 to 1952 at
 https://datatracker.ietf.org/doc/html/rfc1950 (zlib format), rfc1951 (deflate
@@ -31,7 +31,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan.  1997
 issue of Dr.  Dobb's Journal; a copy of the article is available at
 https://zlib.net/nelson/ .
 
-The changes made in version 1.3.2 are documented in the file ChangeLog.
+The changes made in version 1.3.2.1 are documented in the file ChangeLog.
 
 Unsupported third party contributions are provided in directory contrib/ .
 
diff --git a/contrib/delphi/ZLib.pas b/contrib/delphi/ZLib.pas
index cda3b09e..ef9047eb 100644
--- a/contrib/delphi/ZLib.pas
+++ b/contrib/delphi/ZLib.pas
@@ -152,7 +152,7 @@ procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
   const OutBuf: Pointer; BufSize: Integer);
 
 const
-  zlib_version = '1.3.2';
+  zlib_version = '1.3.2.1';
 
 type
   EZlibError = class(Exception);
diff --git a/contrib/dotzlib/DotZLib/UnitTests.cs b/contrib/dotzlib/DotZLib/UnitTests.cs
index 2714a4b4..2de5cbeb 100644
--- a/contrib/dotzlib/DotZLib/UnitTests.cs
+++ b/contrib/dotzlib/DotZLib/UnitTests.cs
@@ -156,7 +156,7 @@ namespace DotZLibTests
         public void Info_Version()

         {

             Info info = new Info();

-            Assert.AreEqual("1.3.2", Info.Version);

+            Assert.AreEqual("1.3.2.1", 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 cb96cf87..bfe71889 100644
--- a/contrib/infback9/inftree9.c
+++ b/contrib/infback9/inftree9.c
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate9_copyright[] =
-   " inflate9 1.3.2 Copyright 1995-2026 Mark Adler ";
+   " inflate9 1.3.2.1 Copyright 1995-2026 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
@@ -59,7 +59,7 @@ int inflate_table9(codetype type, unsigned short FAR *lens, unsigned codes,
     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, 199, 75};
+        133, 133, 133, 133, 144, 68, 193};
     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 b739fa0c..9be42628 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], [1.3.2], [bugzilla.redhat.com])
+AC_INIT([minizip], [1.3.2.1], [bugzilla.redhat.com])
 AC_CONFIG_SRCDIR([minizip.c])
 AM_INIT_AUTOMAKE([foreign])
 LT_INIT
diff --git a/contrib/nuget/nuget.csproj b/contrib/nuget/nuget.csproj
index ead9a205..e8972282 100644
--- a/contrib/nuget/nuget.csproj
+++ b/contrib/nuget/nuget.csproj
@@ -7,7 +7,7 @@
     <PackageId Condition="$([MSBuild]::IsOSPlatform('Linux'))">$(PackageId).linux</PackageId>
     <PackageId Condition="$([MSBuild]::IsOSPlatform('OSX'))">$(PackageId).osx</PackageId>
     <Copyright>(C) 1995-2026 Jean-loup Gailly and Mark Adler</Copyright>
-    <version>1.3.2</version>
+    <version>1.3.2.1</version>
     <PackageDescription>NuGet Package for consuming native builds of zlib into .NET without complexity.</PackageDescription>
     <PackageReadmeFile>README</PackageReadmeFile>
     <!--
diff --git a/contrib/pascal/zlibpas.pas b/contrib/pascal/zlibpas.pas
index 603ff82e..a05b77d8 100644
--- a/contrib/pascal/zlibpas.pas
+++ b/contrib/pascal/zlibpas.pas
@@ -10,8 +10,8 @@ unit zlibpas;
 interface
 
 const
-  ZLIB_VERSION = '1.3.2';
-  ZLIB_VERNUM  = $12a0;
+  ZLIB_VERSION = '1.3.2.1';
+  ZLIB_VERNUM  = $1321;
 
 type
   alloc_func = function(opaque: Pointer; items, size: Integer): Pointer;
diff --git a/contrib/zlib1-dll/CMakeLists.txt b/contrib/zlib1-dll/CMakeLists.txt
index 86625123..26a5bb67 100644
--- a/contrib/zlib1-dll/CMakeLists.txt
+++ b/contrib/zlib1-dll/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.12...3.31)
 project(
     zlib1-dll
     LANGUAGES C
-    VERSION 1.3.2
+    VERSION 1.3.2.1
     HOMEPAGE_URL "https://zlib.net/"
     DESCRIPTION "zlib1.dll is the legacy DLL with zlib and minizip")
 
diff --git a/deflate.c b/deflate.c
index d7d2c7c1..a5be5e69 100644
--- a/deflate.c
+++ b/deflate.c
@@ -52,7 +52,7 @@
 #include "deflate.h"
 
 const char deflate_copyright[] =
-   " deflate 1.3.2 Copyright 1995-2026 Jean-loup Gailly and Mark Adler ";
+   " deflate 1.3.2.1 Copyright 1995-2026 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 dcbc64e0..99d8d773 100644
--- a/inftrees.c
+++ b/inftrees.c
@@ -23,7 +23,7 @@
 #define MAXBITS 15
 
 const char inflate_copyright[] =
-   " inflate 1.3.2 Copyright 1995-2026 Mark Adler ";
+   " inflate 1.3.2.1 Copyright 1995-2026 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
@@ -71,7 +71,7 @@ int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
         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, 199, 75};
+        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 68, 193};
     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 9314a687..8164f787 100644
--- a/os400/README400
+++ b/os400/README400
@@ -1,4 +1,4 @@
-        ZLIB version 1.3.2 for OS/400 installation instructions
+        ZLIB version 1.3.2.1 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/zlibfixed.rpgle b/os400/zlibfixed.rpgle
index 75060f30..832960d3 100644
--- a/os400/zlibfixed.rpgle
+++ b/os400/zlibfixed.rpgle
@@ -1,7 +1,7 @@
       *  ZLIB.INC - Interface to the general purpose compression library
       *
       *  ILE RPG400 version by Patrick Monnerat, DATASPHERE.
-      *  Version 1.3.2
+      *  Version 1.3.2.1
       *
       *
       *  WARNING:
@@ -22,14 +22,14 @@
       *
       *  Versioning information.
       *
-     D ZLIB_VERSION    C                   '1.3.2'
-     D ZLIB_VERNUM     C                   X'1320'
+     D ZLIB_VERSION    C                   '1.3.2.1'
+     D ZLIB_VERNUM     C                   X'1321'
      D ZLIB_VER_MAJOR  C                   1
      D ZLIB_VER_MINOR  C                   3
      D ZLIB_VER_REVISION...
      D                 C                   2
      D ZLIB_VER_SUBREVISION...
-     D                 C                   0
+     D                 C                   1
       *
       *  Other equates.
       *
diff --git a/os400/zlibfree.rpgle b/os400/zlibfree.rpgle
index b35c4680..1f027dac 100644
--- a/os400/zlibfree.rpgle
+++ b/os400/zlibfree.rpgle
@@ -2,7 +2,7 @@
 //  ZLIB.INC - Interface to the general purpose compression library
 
 //  ILE RPG400 version by Patrick Monnerat, DATASPHERE.
-//  Version 1.3.2
+//  Version 1.3.2.1
 
 
 //  WARNING:
@@ -23,12 +23,12 @@
 
 //  Versioning information.
 
-Dcl-C ZLIB_VERSION '1.3.2';
-Dcl-C ZLIB_VERNUM X'1320';
+Dcl-C ZLIB_VERSION '1.3.2.1';
+Dcl-C ZLIB_VERNUM X'1321';
 Dcl-C ZLIB_VER_MAJOR 1;
 Dcl-C ZLIB_VER_MINOR 3;
 Dcl-C ZLIB_VER_REVISION 2;
-Dcl-C ZLIB_VER_SUBREVISION 0;
+Dcl-C ZLIB_VER_SUBREVISION 1;
 
 //  Other equates.
 
diff --git a/qnx/package.qpg b/qnx/package.qpg
index 82d65f4b..baf4196e 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.1.3.2" install="/opt/lib/" user="root:bin" permission="644"/>
-         <QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.3.2"/>
-         <QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.3.2"/>
-         <QPG:Add file="../libz.so.1.3.2" install="/opt/lib/" component="slib"/>
+         <QPG:Add file="../libz.so.1.3.2.1" install="/opt/lib/" user="root:bin" permission="644"/>
+         <QPG:Add file="libz.so" install="/opt/lib/" component="dev" filetype="symlink" linkto="libz.so.1.3.2.1"/>
+         <QPG:Add file="libz.so.1" install="/opt/lib/" filetype="symlink" linkto="libz.so.1.3.2.1"/>
+         <QPG:Add file="../libz.so.1.3.2.1" install="/opt/lib/" component="slib"/>
       </QPG:Files>
 
       <QPG:PackageFilter>
@@ -63,7 +63,7 @@
             </QPM:ProductDescription>
 
             <QPM:ReleaseDescription>
-               <QPM:ReleaseVersion>1.3.2</QPM:ReleaseVersion>
+               <QPM:ReleaseVersion>1.3.2.1</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 cd7d7a58..448aed3b 100644
--- a/treebuild.xml
+++ b/treebuild.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" ?>
-<package name="zlib" version="1.3.2">
-    <library name="zlib" dlversion="1.3.2" dlname="z">
+<package name="zlib" version="1.3.2.1">
+    <library name="zlib" dlversion="1.3.2.1" 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 48c9120a..ea08af98 100644
--- a/win32/README-WIN32.txt
+++ b/win32/README-WIN32.txt
@@ -1,6 +1,6 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.3.2 is a general purpose data compression library.  All the code is
+zlib 1.3.2.1 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
 https://datatracker.ietf.org/doc/html/rfc1951 (zlib format), rfc1951.txt
@@ -22,7 +22,7 @@ asking for help.
 
 Manifest:
 
-The package zlib-1.3.2-win32-x86.zip will contain the following files:
+The package zlib-1.3.2.1-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 70d5f180..7dbae943 100644
--- a/zlib.3
+++ b/zlib.3
@@ -1,4 +1,4 @@
-.TH ZLIB 3 "17 Feb 2026"
+.TH ZLIB 3 "xx Feb 2026"
 .SH NAME
 zlib \- compression/decompression library
 .SH SYNOPSIS
@@ -105,7 +105,7 @@ before asking for help.
 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 1.3.2
+Version 1.3.2.1
 .LP
 Copyright (C) 1995-2026 Jean-loup Gailly and Mark Adler
 .LP
diff --git a/zlib.h b/zlib.h
index a57d3361..0a9e7909 100644
--- a/zlib.h
+++ b/zlib.h
@@ -1,5 +1,5 @@
 /* zlib.h -- interface of the 'zlib' general purpose compression library
-  version 1.3.2, February 17th, 2026
+  version 1.3.2.1, February xxth, 2026
 
   Copyright (C) 1995-2026 Jean-loup Gailly and Mark Adler
 
@@ -41,12 +41,12 @@
 extern "C" {
 #endif
 
-#define ZLIB_VERSION "1.3.2"
-#define ZLIB_VERNUM 0x1320
+#define ZLIB_VERSION "1.3.2.1-motley"
+#define ZLIB_VERNUM 0x1321
 #define ZLIB_VER_MAJOR 1
 #define ZLIB_VER_MINOR 3
 #define ZLIB_VER_REVISION 2
-#define ZLIB_VER_SUBREVISION 0
+#define ZLIB_VER_SUBREVISION 1
 
 /*
     The 'zlib' compression library provides in-memory compression and