diff --git a/libheif.spec b/libheif.spec
index ce9bdd3..461cabf 100644
--- a/libheif.spec
+++ b/libheif.spec
@@ -1,5 +1,5 @@
 Name:          libheif
-Version:       1.14.2
+Version:       1.15.1
 Release:       1mamba
 Summary:       An HEIF and AVIF file format decoder and encoder
 Group:         System/Libraries
@@ -22,6 +22,7 @@ BuildRequires: libpng-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsvt-av1-devel
 BuildRequires: libx265-devel
+BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 
@@ -90,12 +91,15 @@ This package contains utility applications for %{name}.
 %{_bindir}/heif-enc
 %{_bindir}/heif-info
 %{_bindir}/heif-thumbnailer
-%{_datadir}/mime/packages/avif.xml
-%{_datadir}/mime/packages/heif.xml
+#%{_datadir}/mime/packages/avif.xml
+#%{_datadir}/mime/packages/heif.xml
 %{_datadir}/thumbnailers/heif.thumbnailer
 %{_mandir}/man1/heif-*.1*
 
 %changelog
+* Sun Feb 19 2023 Automatic Build System <autodist@mambasoft.it> 1.15.1-1mamba
+- automatic version update by autodist
+
 * Sat Jan 07 2023 Automatic Build System <autodist@mambasoft.it> 1.14.2-1mamba
 - automatic version update by autodist