diff --git a/python-openpyxl.spec b/python-openpyxl.spec
index bd9fec5..2f5b3e2 100644
--- a/python-openpyxl.spec
+++ b/python-openpyxl.spec
@@ -1,5 +1,5 @@
 Name:          python-openpyxl
-Version:       2.5.3
+Version:       2.5.5
 Release:       1mamba
 Summary:       A Python library to read/write Excel 2010 xlsx/xlsm files
 Group:         System/Libraries
@@ -45,6 +45,9 @@ CFLAGS="%{optflags}" %{__python} setup.py build
 %defattr(-,root,root)
 
 %changelog
+* Sat Aug 11 2018 Automatic Build System <autodist@mambasoft.it> 2.5.5-1mamba
+- automatic version update by autodist
+
 * Fri May 11 2018 Automatic Build System <autodist@mambasoft.it> 2.5.3-1mamba
 - automatic version update by autodist