diff --git a/mingw-zlib.spec b/mingw-zlib.spec
index 07a2a1c..5a937e5 100644
--- a/mingw-zlib.spec
+++ b/mingw-zlib.spec
@@ -1,13 +1,15 @@
 %?mingw_package_header
 
 Name:           mingw-zlib
-Version:        1.2.8
-Release:        12%{?dist}
+Version:        1.2.11
+Release:        1%{?dist}
 Summary:        MinGW Windows zlib compression library
 
 License:        zlib
 URL:            http://www.zlib.net/
-Source0:        http://www.zlib.net/zlib-%{version}.tar.gz
+Source0:        http://www.zlib.net/zlib-%{version}.tar.xz
+# https://github.com/madler/zlib/pull/210
+Patch0:         zlib-1.2.5-minizip-fixuncrypt.patch
 # Replace the zlib build system with an autotools based one
 Patch3:         mingw32-zlib-1.2.7-autotools.patch
 # The .def file contains an empty LIBRARY line which isn't valid
@@ -86,6 +88,7 @@ MinGW Minizip manipulates files from a .zip archive.
 
 %prep
 %setup -q -n zlib-%{version}
+%patch0 -p1 -b .fixuncrypt
 %patch3 -p1 -b .atools
 %patch5 -p1 -b .def
 # patch cannot create an empty dir
@@ -167,6 +170,9 @@ rm -rf $RPM_BUILD_ROOT%{mingw64_mandir}
 
 
 %changelog
+* Tue Aug 13 2019 Marc-André Lureau <marcandre.lureau@redhat.com> - 1.2.11-1
+- Update to 1.2.11
+
 * Tue Aug 06 2019 Thomas Sailer <t.sailer@alumni.ethz.ch> - 1.2.8-12
 - update pkgconf file version to 1.2.8
 
diff --git a/mingw32-zlib-1.2.7-autotools.patch b/mingw32-zlib-1.2.7-autotools.patch
index 8aebfc3..e93abb5 100644
--- a/mingw32-zlib-1.2.7-autotools.patch
+++ b/mingw32-zlib-1.2.7-autotools.patch
@@ -32,7 +32,7 @@ diff -urN zlib-1.2.3.orig/Makefile.am zlib-1.2.3.kasal/Makefile.am
 +	infflate.h
 +
 +# Use -version-number to match the file name used before autoconfiscation.
-+libz_la_LDFLAGS = -version-number 1:2:8 -no-undefined
++libz_la_LDFLAGS = -version-number 1:2:11 -no-undefined
 +
 +include_HEADERS = zlib.h
 +nodist_include_HEADERS = zconf.h
@@ -79,10 +79,10 @@ diff -urN zlib-1.2.3.orig/configure.ac zlib-1.2.3.kasal/configure.ac
 +#                                               -*- Autoconf -*-
 +# Process this file with autoconf to produce a configure script.
 +
-+AC_INIT([zlib], [1.2.8], [bugzilla.redhat.com])
++AC_INIT([zlib], [1.2.11], [bugzilla.redhat.com])
 +AC_CONFIG_SRCDIR([gzlib.c])
 +AC_CONFIG_MACRO_DIR([m4])
-+AM_INIT_AUTOMAKE([foreign])
++AM_INIT_AUTOMAKE([foreign subdir-objects])
 +LT_INIT
 +
 +AC_SUBST([HAVE_UNISTD_H], [0])
diff --git a/zlib-1.2.5-minizip-fixuncrypt.patch b/zlib-1.2.5-minizip-fixuncrypt.patch
new file mode 100644
index 0000000..d113879
--- /dev/null
+++ b/zlib-1.2.5-minizip-fixuncrypt.patch
@@ -0,0 +1,14 @@
+diff -up zlib-1.2.5/contrib/minizip/unzip.c.fixuncrypt zlib-1.2.5/contrib/minizip/unzip.c
+--- zlib-1.2.5/contrib/minizip/unzip.c.fixuncrypt	2011-11-11 12:13:56.335867758 -0500
++++ zlib-1.2.5/contrib/minizip/unzip.c	2011-11-11 12:14:01.747799372 -0500
+@@ -68,10 +68,6 @@
+ #include <stdlib.h>
+ #include <string.h>
+ 
+-#ifndef NOUNCRYPT
+-        #define NOUNCRYPT
+-#endif
+-
+ #include "zlib.h"
+ #include "unzip.h"
+ 
diff --git a/zlib-1.2.7-use-correct-def-file.patch b/zlib-1.2.7-use-correct-def-file.patch
index 5cf1923..fd8ef7f 100644
--- a/zlib-1.2.7-use-correct-def-file.patch
+++ b/zlib-1.2.7-use-correct-def-file.patch
@@ -1,7 +1,9 @@
---- zlib-1.2.5/win32/zlib.def.orig      2012-02-26 16:19:28.608868501 +0100
-+++ zlib-1.2.5/win32/zlib.def   2012-02-26 16:19:34.156864592 +0100
+diff --git a/win32/zlib.def b/win32/zlib.def
+index 784b138..e858d1e 100644
+--- a/win32/zlib.def
++++ b/win32/zlib.def
 @@ -1,3 +1,4 @@
-+LIBRARY zlib1.dll
- ; zlib data compression library
- EXPORTS
- ; basic functions
++LIBRARY zlib1.dll
+ ; zlib data compression library
+ EXPORTS
+ ; basic functions