diff --git a/mercurial.spec b/mercurial.spec
index 7d6dcb7..44ce3db 100644
--- a/mercurial.spec
+++ b/mercurial.spec
@@ -1,5 +1,5 @@
 Name:          mercurial
-Version:       4.5.2
+Version:       4.5.3
 Release:       1mamba
 Summary:       A scalable distributed Source Control Management system
 Group:         Applications/Development
@@ -67,6 +67,9 @@ rm -f .packlist
 %{_bindir}/hgk
 
 %changelog
+* Thu Apr 05 2018 Automatic Build System <autodist@mambasoft.it> 4.5.3-1mamba
+- automatic version update by autodist
+
 * Thu Mar 08 2018 Automatic Build System <autodist@mambasoft.it> 4.5.2-1mamba
 - automatic version update by autodist