diff --git a/libpng-1.6.40.tar.gz b/libpng-1.6.40.tar.gz
deleted file mode 100644
index c7bfde4bc2205c4ed78e574e87221b1c495a693e..0000000000000000000000000000000000000000
Binary files a/libpng-1.6.40.tar.gz and /dev/null differ
diff --git a/libpng-1.6.43.tar.gz b/libpng-1.6.43.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..24c299dadeaa72d24c5b439e15a617b0293ea407
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diff --git a/libpng-fix-arm-neon.patch b/libpng-fix-arm-neon.patch
index 035dd6173725dd4123a274422d0f988dde9e43b0..1dc874f1bbf7f399868608b13199798c3f99ceeb 100644
--- a/libpng-fix-arm-neon.patch
+++ b/libpng-fix-arm-neon.patch
@@ -1,18 +1,28 @@
+From 70001f178343e82b3b4ae0872a1accd4a06d474d Mon Sep 17 00:00:00 2001
+From: zhangxingrong <zhangxingrong@uniontech.com>
+Date: Tue, 21 May 2024 17:33:27 +0800
+Subject: [PATCH] libpng fix arm neon
+
+---
+ configure.ac | 4 ++++
+ pngpriv.h    | 2 +-
+ 2 files changed, 5 insertions(+), 1 deletion(-)
+
 diff --git a/configure.ac b/configure.ac
-index 4fb0778..930bf50 100644
+index 505d72f..4466b1c 100644
 --- a/configure.ac
 +++ b/configure.ac
-@@ -283,17 +283,21 @@ AC_ARG_ENABLE([arm-neon],
+@@ -393,17 +393,21 @@ AC_ARG_ENABLE([arm-neon],
     [case "$enableval" in
        no|off)
           # disable the default enabling on __ARM_NEON__ systems:
-+         AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
++	 AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
           AC_DEFINE([PNG_ARM_NEON_OPT], [0],
                     [Disable ARM Neon optimizations])
           # Prevent inclusion of the assembler files below:
           enable_arm_neon=no ;;
        check)
-+         AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
++	 AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
           AC_DEFINE([PNG_ARM_NEON_CHECK_SUPPORTED], [],
                     [Check for ARM Neon support at run-time]);;
        api)
@@ -23,12 +33,12 @@ index 4fb0778..930bf50 100644
 +         AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
           AC_DEFINE([PNG_ARM_NEON_OPT], [2],
                     [Enable ARM Neon optimizations])
-          AC_MSG_WARN([--enable-arm-neon: please specify 'check' or 'api', if]
+          AC_MSG_WARN([--enable-arm-neon: please specify 'check' or 'api';]
 diff --git a/pngpriv.h b/pngpriv.h
-index 1997503..789206f 100644
+index 9bfdb71..60aae9b 100644
 --- a/pngpriv.h
 +++ b/pngpriv.h
-@@ -125,7 +125,7 @@
+@@ -127,7 +127,7 @@
      * associated assembler code, pass --enable-arm-neon=no to configure
      * or put -DPNG_ARM_NEON_OPT=0 in CPPFLAGS.
      */
@@ -37,3 +47,6 @@ index 1997503..789206f 100644
     defined(PNG_ALIGNED_MEMORY_SUPPORTED)
  #     define PNG_ARM_NEON_OPT 2
  #  else
+-- 
+2.43.0
+
diff --git a/libpng.spec b/libpng.spec
index 544e676057dbc7c09f1f1f42eef32d572d9bbaea..46a07a75d32d4e0c9aa84266ed9c11898f5cdd71 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,6 +1,6 @@
 Name:           libpng
 Epoch:          2
-Version:        1.6.40
+Version:        1.6.43
 Release:        1
 Summary:        A library of functions for manipulating PNG image format files
 License:        zlib
@@ -88,6 +88,9 @@ make check
 %{_mandir}/man*/*
 
 %changelog
+* Tue May 21 2024 zhangxingrong <zhangxingrong@uniontech.com> - 1.6.43-1
+- Update to version 1.6.43
+
 * Thu Jul 13 2023 jiangxinyu <jiangxinyu@kylinoss.cn> - 1.6.40-1
 - Update package to version 1.6.40