diff --git a/_scmsync.obsinfo b/_scmsync.obsinfo
index 142599c..84c56aa 100644
--- a/_scmsync.obsinfo
+++ b/_scmsync.obsinfo
@@ -1,4 +1,4 @@
-mtime: 1724759529
-commit: ce0ee70405d17eb44fa2f5edb60fee8c6c0e18910e2a62b17429126dc65ee12d
+mtime: 1724806297
+commit: be4fc0882a76d1a58bde1bf718e29cd9f87a0ec015502d2aed5e4c2dfe490d1c
 url: https://src.opensuse.org/jengelh/zmusic
 revision: master
diff --git a/build.specials.obscpio b/build.specials.obscpio
index 947a26f..7a7b097 100644
--- a/build.specials.obscpio
+++ b/build.specials.obscpio
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:ca176e45527599f97daa36024a450114c029045dd7ce9ef265c99595db3b8f9f
+oid sha256:c21849576aadc06d90b47d6101be258a2156c8c85226b25fc9a52257e9164042
 size 256
diff --git a/system-zlib.patch b/system-zlib.patch
new file mode 100644
index 0000000..f7a0092
--- /dev/null
+++ b/system-zlib.patch
@@ -0,0 +1,51 @@
+From fb399bbf345f41e385f9d864875cb0f4967ff213 Mon Sep 17 00:00:00 2001
+From: Jan Engelhardt <jengelh@inai.de>
+Date: Wed, 28 Aug 2024 02:48:15 +0200
+Subject: [PATCH] Revert to zlib
+
+---
+ source/CMakeLists.txt     |    2 +-
+ source/zmusic/zmusic.cpp  |    2 +-
+ thirdparty/CMakeLists.txt |    6 +++++-
+ 3 files changed, 7 insertions(+), 3 deletions(-)
+
+Index: source/CMakeLists.txt
+===================================================================
+--- source/CMakeLists.txt.orig
++++ source/CMakeLists.txt
+@@ -127,7 +127,7 @@ if(WIN32)
+ 	)
+ endif()
+ 
+-target_link_libraries(zmusic-obj INTERFACE dumb gme miniz ${CMAKE_DL_LIBS})
++target_link_libraries(zmusic-obj INTERFACE dumb gme ZLIB::ZLIB ${CMAKE_DL_LIBS})
+ 
+ target_include_directories(zmusic-obj
+ INTERFACE
+Index: source/zmusic/zmusic.cpp
+===================================================================
+--- source/zmusic/zmusic.cpp.orig
++++ source/zmusic/zmusic.cpp
+@@ -36,7 +36,7 @@
+ #include <stdint.h>
+ #include <vector>
+ #include <string>
+-#include <miniz.h>
++#include <zlib.h>
+ #include "m_swap.h"
+ #include "zmusic_internal.h"
+ #include "midiconfig.h"
+Index: thirdparty/CMakeLists.txt
+===================================================================
+--- thirdparty/CMakeLists.txt.orig
++++ thirdparty/CMakeLists.txt
+@@ -1,4 +1,8 @@
+-add_subdirectory(miniz)
++find_package(ZLIB QUIET)
++message(STATUS "Using system zlib, includes found at ${ZLIB_INCLUDE_DIRS}")
++set_property(TARGET ZLIB::ZLIB PROPERTY IMPORTED_GLOBAL TRUE)
++determine_package_config_dependency(ZMUSIC_PACKAGE_DEPENDENCIES TARGET ZLIB::ZLIB MODULE ZLIB)
++
+ # GME is not currently released in a way that's conducive to using as a system
+ # library. Nevertheless at least one person tried, and so the ability to use a
+ # system copy exists soley to placate people following distro guidelines to the
diff --git a/zmusic.changes b/zmusic.changes
index c726f35..2cae2ea 100644
--- a/zmusic.changes
+++ b/zmusic.changes
@@ -1,17 +1,12 @@
+-------------------------------------------------------------------
+Wed Aug 28 00:51:23 UTC 2024 - Jan Engelhardt <jengelh@inai.de>
+
+- Add system-zlib.patch
+
 -------------------------------------------------------------------
 Tue Aug 27 08:16:10 UTC 2024 - ming li <mli@suse.com>
 
 - update to 1.1.13:
-  * Add vcpkg.json
-  * Allow building with static configurations
-  * vcpkg improvements
-  * Statically link to libsndfile when pulled from vcpkg
-  * Pull in zlib from vcpkg
-  * Switch to miniz from zlib
-  * Make miniz an object library
-  * Don't directly link to libmpg123 on vcpkg
-  * Fix compressed format support on GME when using miniz
-  * Fix second VectorReader constructor
   * Fixed incorrect number of bytes being reported to FluidSynth
     when relaying a SysEx message
   * Added a GS DT1 MODE SET SysEx message after GM System Enable
diff --git a/zmusic.spec b/zmusic.spec
index ddc8ed2..8d61d27 100644
--- a/zmusic.spec
+++ b/zmusic.spec
@@ -28,7 +28,8 @@ URL:            https://zdoom.org/
 Source:         https://github.com/ZDoom/ZMusic/archive/%version.tar.gz
 Patch1:         system-fluidsynth.patch
 Patch2:         system-gme.patch
-Patch3:         dumb-dumb.patch
+Patch3:         system-zlib.patch
+Patch4:         dumb-dumb.patch
 BuildRequires:  cmake
 BuildRequires:  gcc-c++
 BuildRequires:  pkg-config