diff --git a/calibre.spec b/calibre.spec
index e90a7c9..2833ae6 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -1,5 +1,5 @@
 Name:          calibre
-Version:       4.9.1
+Version:       4.10.0
 Release:       1mamba
 Summary:       A free and open source e-book library management application
 Group:         Graphical Desktop/Applications/Multimedia
@@ -185,6 +185,9 @@ CFLAGS="%{optflags}" %{__python27} setup.py resources
 %{python27_sitelib}/init_calibre.py
 
 %changelog
+* Fri Feb 07 2020 Automatic Build System <autodist@mambasoft.it> 4.10.0-1mamba
+- automatic version update by autodist
+
 * Thu Jan 23 2020 Automatic Build System <autodist@mambasoft.it> 4.9.1-1mamba
 - automatic version update by autodist