diff --git a/marble.spec b/marble.spec
index 2c1b0c5..42a7968 100644
--- a/marble.spec
+++ b/marble.spec
@@ -1,6 +1,6 @@
 Name:          marble
-Version:       17.08.3
-Release:       2mamba
+Version:       17.12.0
+Release:       1mamba
 Summary:       A free open source geographical map program
 Group:         Graphical Desktop/Applications/Educational
 Vendor:        openmamba
@@ -200,6 +200,9 @@ exit 0
 %doc docs/*
 
 %changelog
+* Sat Dec 23 2017 Automatic Build System <autodist@mambasoft.it> 17.12.0-1mamba
+- automatic version update by autodist
+
 * Sat Nov 18 2017 Davide Madrisan <davide.madrisan@gmail.com> 17.08.3-2mamba
 - Move the plugin libmarbledeclarative.so to the marble library