diff --git a/libpng16.changes b/libpng16.changes
index 5510103..b54a416 100644
--- a/libpng16.changes
+++ b/libpng16.changes
@@ -1,3 +1,15 @@
+-------------------------------------------------------------------
+Wed Feb  1 12:18:06 UTC 2023 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Fix build: some*.la files are symlinks. Adjust spec to use
+   find -type f,l
+
+-------------------------------------------------------------------
+Wed Feb  1 09:24:14 UTC 2023 - Dirk Müller <dmueller@suse.com>
+
+- switch to pkgconfig(zlib) to allow alternative providers as well
+- build with glibc hwcaps optimized libs
+
 -------------------------------------------------------------------
 Fri Nov 25 11:49:52 UTC 2022 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/libpng16.spec b/libpng16.spec
index 230462b..4e79980 100644
--- a/libpng16.spec
+++ b/libpng16.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libpng16
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -37,7 +37,8 @@ Source3:        rpm-macros.libpng-tools
 Source4:        baselibs.conf
 BuildRequires:  libtool
 BuildRequires:  pkgconfig
-BuildRequires:  zlib-devel
+BuildRequires:  pkgconfig(zlib)
+%{?suse_build_hwcaps_libs}
 
 %package -n %{libname}
 Summary:        Library for the Portable Network Graphics Format (PNG)
@@ -50,7 +51,7 @@ Group:          Development/Libraries/C and C++
 Requires:       %{libname} = %{version}
 Requires:       glibc-devel
 Requires:       pkgconfig
-Requires:       zlib-devel
+Requires:       pkgconfig(zlib)
 Recommends:     libpng%{branch}-compat-devel
 #
 
@@ -117,7 +118,7 @@ sed -i -e 's/^\(CFLAGS.*\)$/\1 -fsanitize=address/' \
 
 %install
 %make_install
-rm %{buildroot}/%{_libdir}/libpng*.la
+find %{buildroot} -type f,l -name "*.la" -delete -print
 mkdir -p %{buildroot}%{_sysconfdir}/rpm
 install -D -m644 %{SOURCE3} %{buildroot}%{_rpmmacrodir}/macros.libpng-tools
 %if %{debug_build} ||%{asan_build}