diff --git a/kalzium.spec b/kalzium.spec
index 55a09b1..f02c61c 100644
--- a/kalzium.spec
+++ b/kalzium.spec
@@ -1,5 +1,5 @@
 Name:          kalzium
-Version:       16.12.1
+Version:       16.12.3
 Release:       1mamba
 Summary:       Periodic table of elements
 Group:         Graphical Desktop/Applications/Educational
@@ -119,6 +119,12 @@ exit 0
 %{_kde5_libdir}/libscience.so
 
 %changelog
+* Fri Mar 10 2017 Automatic Build System <autodist@mambasoft.it> 16.12.3-1mamba
+- automatic version update by autodist
+
+* Fri Feb 10 2017 Automatic Build System <autodist@mambasoft.it> 16.12.2-1mamba
+- automatic version update by autodist
+
 * Tue Jan 24 2017 Automatic Build System <autodist@mambasoft.it> 16.12.1-1mamba
 - automatic version update by autodist