diff --git a/attica.spec b/attica.spec
index 977cfcb..b901f9c 100644
--- a/attica.spec
+++ b/attica.spec
@@ -1,6 +1,6 @@
 %define majver %(echo %version | cut -d. -f1-2)
 Name:          attica
-Version:       5.52.0
+Version:       5.53.0
 Release:       1mamba
 Summary:       A Qt library that implements the Open Collaboration Services API
 Group:         System/Libraries
@@ -83,6 +83,9 @@ This package contains libraries and header files for developing applications tha
 %doc ChangeLog README.md
 
 %changelog
+* Sat Dec 15 2018 Automatic Build System <autodist@mambasoft.it> 5.53.0-1mamba
+- automatic version update by autodist
+
 * Fri Nov 16 2018 Automatic Build System <autodist@mambasoft.it> 5.52.0-1mamba
 - automatic version update by autodist