diff --git a/libopenjpeg1.spec b/libopenjpeg1.spec
index 4a1736f..553f5c9 100644
--- a/libopenjpeg1.spec
+++ b/libopenjpeg1.spec
@@ -1,25 +1,24 @@
 %define _version %(echo %version | tr '.' '_')
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          libopenjpeg1
-Version:       1.5.1
-Release:       2mamba
+Version:       1.5.2
+Release:       1mamba
 Summary:       An open-source JPEG 2000 codec written in C language
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           http://www.openjpeg.org
-Source:        http://openjpeg.googlecode.com/files/openjpeg-%{version}.tar.gz
+URL:           https://www.openjpeg.org/
+Source:        https://github.com/uclouvain/openjpeg.git/version.%{version}/openjpeg-%{version}.tar.bz2
 License:       BSD
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: liblcms2-devel
-BuildRequires: libpng-devel
+BuildRequires: libpng15-devel
 BuildRequires: libtiff-devel
 BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 Requires(post):%{__install_info}
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 An open-source JPEG 2000 codec written in C language.
@@ -41,9 +40,11 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description tools
 This package contains utility applications for %{name}.
 
+%debug_package
+
 %prep
 %setup -q -n openjpeg-%{version}
-#sed -i "s|-o root -g root||" Makefile
+./bootstrap.sh
 
 %build
 %configure
@@ -71,11 +72,11 @@ This package contains utility applications for %{name}.
 %dir %{_includedir}/openjpeg-%{majver}
 %{_includedir}/openjpeg-%{majver}/openjpeg.h
 %{_libdir}/libopenjpeg.a
-%{_libdir}/libopenjpeg.la
 %{_libdir}/libopenjpeg.so
 %{_libdir}/pkgconfig/libopenjpeg.pc
 %{_libdir}/pkgconfig/libopenjpeg1.pc
 %{_datadir}/doc/openjpeg-1.5/LICENSE
+%{_mandir}/man3/libopenjpeg.3*
 #%doc README.linux ChangeLog
 
 %files tools
@@ -83,15 +84,14 @@ This package contains utility applications for %{name}.
 %{_bindir}/image_to_j2k
 %{_bindir}/j2k_dump
 %{_bindir}/j2k_to_image
-%{_mandir}/man1/image_to_j2k.1.gz
-%{_mandir}/man1/j2k_dump.1.gz
-%{_mandir}/man1/j2k_to_image.1.gz
-%{_mandir}/man1/jpwl_image_to_j2k.1.gz
-%{_mandir}/man1/jpwl_j2k_to_image.1.gz
-%{_mandir}/man3/jpwl_libopenjpeg.3.gz
-%{_mandir}/man3/libopenjpeg.3.gz
+%{_mandir}/man1/image_to_j2k.1*
+%{_mandir}/man1/j2k_dump.1*
+%{_mandir}/man1/j2k_to_image.1*
 
 %changelog
+* Fri May 10 2024 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.2-1mamba
+- update to 1.5.2
+
 * Wed Jan 23 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.1-2mamba
 - rebuilt as legacy package
 - added tools subpackage