diff --git a/libheif.spec b/libheif.spec
index 89450f3..efee95e 100644
--- a/libheif.spec
+++ b/libheif.spec
@@ -1,5 +1,5 @@
 Name:          libheif
-Version:       1.17.1
+Version:       1.17.3
 Release:       1mamba
 Summary:       An HEIF and AVIF file format decoder and encoder
 Group:         System/Libraries
@@ -103,6 +103,9 @@ This package contains utility applications for %{name}.
 %{_mandir}/man1/heif-*.1*
 
 %changelog
+* Fri Nov 03 2023 Automatic Build System <autodist@mambasoft.it> 1.17.3-1mamba
+- automatic version update by autodist
+
 * Thu Oct 19 2023 Automatic Build System <autodist@mambasoft.it> 1.17.1-1mamba
 - automatic version update by autodist