diff --git a/libmatio.spec b/libmatio.spec
index 65653fa..34d0ebe 100644
--- a/libmatio.spec
+++ b/libmatio.spec
@@ -1,16 +1,18 @@
 Name:          libmatio
-Version:       1.5.21
+Version:       1.5.23
 Release:       1mamba
 Summary:       An ISO C library (with a limited Fortran 90 interface) for reading and writing Matlab MAT files
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://matio.sourceforge.net/
+URL:           https://sourceforge.net/projects/matio/
 Source:        http://downloads.sourceforge.net/project/matio/matio/%{version}/matio-%{version}.tar.gz
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: libhdf5-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 
 %description
@@ -23,8 +25,9 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 
 %description devel
 An ISO C library (with a limited Fortran 90 interface) for reading and writing Matlab MAT files.
+This package contains static libraries and header files needed for development.
 
-This package contains static libraries and header files need for development.
+%debug_package
 
 %prep
 %setup -q -n matio-%{version}
@@ -58,6 +61,9 @@ This package contains static libraries and header files need for development.
 %doc NEWS
 
 %changelog
+* Thu Apr 14 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 1.5.23-1mamba
+- update to 1.5.23
+
 * Sat Mar 27 2021 Automatic Build System <autodist@mambasoft.it> 1.5.21-1mamba
 - automatic version update by autodist