diff --git a/calibre.spec b/calibre.spec
index d8c2f58..5b24b10 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -1,5 +1,5 @@
 Name:          calibre
-Version:       4.4.0
+Version:       4.5.0
 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 Nov 29 2019 Automatic Build System <autodist@mambasoft.it> 4.5.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 22 2019 Automatic Build System <autodist@mambasoft.it> 4.4.0-1mamba
 - automatic version update by autodist