diff --git a/python-serial.spec b/python-serial.spec
index 7dd62fc..8b639d1 100644
--- a/python-serial.spec
+++ b/python-serial.spec
@@ -1,5 +1,5 @@
 Name:          python-serial
-Version:       3.1.1
+Version:       3.4
 Release:       1mamba
 Summary:       Python Serial Port Extension
 Group:         System/Libraries/Python
@@ -49,6 +49,9 @@ The module named “serial” automatically selects the appropriate backend.
 %doc examples LICENSE.txt
 
 %changelog
+* Thu Oct 26 2017 Automatic Build System <autodist@mambasoft.it> 3.4-1mamba
+- automatic update by autodist
+
 * Thu Sep 15 2016 Automatic Build System <autodist@mambasoft.it> 3.1.1-1mamba
 - automatic update by autodist