diff --git a/calibre.spec b/calibre.spec
index 037d088..75bb2ae 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -1,5 +1,5 @@
 Name:          calibre
-Version:       3.47.1
+Version:       3.48.0
 Release:       1mamba
 Summary:       A free and open source e-book library management application
 Group:         Graphical Desktop/Applications/Multimedia
@@ -188,6 +188,9 @@ CFLAGS="%{optflags}" %{__python27} setup.py resources
 %{python27_sitelib}/init_calibre.py
 
 %changelog
+* Fri Sep 13 2019 Automatic Build System <autodist@mambasoft.it> 3.48.0-1mamba
+- automatic version update by autodist
+
 * Mon Sep 02 2019 Automatic Build System <autodist@mambasoft.it> 3.47.1-1mamba
 - automatic version update by autodist