diff --git a/libtiff.spec b/libtiff.spec
index 3dd6eb5..e99da3c 100644
--- a/libtiff.spec
+++ b/libtiff.spec
@@ -1,5 +1,5 @@
 Name:          libtiff
-Version:       4.1.0
+Version:       4.2.0
 Release:       1mamba
 Summary:       A library of functions for manipulating TIFF format image files
 Group:         System/Libraries
@@ -155,6 +155,9 @@ rm -f %{buildroot}%{_mandir}/man1/tiffgt.*
 %endif
 
 %changelog
+* Sat Jan 23 2021 Automatic Build System <autodist@mambasoft.it> 4.2.0-1mamba
+- automatic version update by autodist
+
 * Tue Nov 12 2019 Automatic Build System <autodist@mambasoft.it> 4.1.0-1mamba
 - automatic version update by autodist