diff --git a/byacc.spec b/byacc.spec
index 1f14e86..cfe62d7 100644
--- a/byacc.spec
+++ b/byacc.spec
@@ -1,5 +1,5 @@
 Name:          byacc
-Version:       20190617
+Version:       20191103
 Release:       1mamba
 Summary:       an LALR parser generator.
 Group:         Development/Tools
@@ -53,6 +53,9 @@ make check
 %doc ACKNOWLEDGEMENTS CHANGES NEW_FEATURES NOTES NO_WARRANTY README
 
 %changelog
+* Tue Nov 12 2019 Automatic Build System <autodist@mambasoft.it> 20191103-1mamba
+- automatic version update by autodist
+
 * Tue Jul 02 2019 Automatic Build System <autodist@mambasoft.it> 20190617-1mamba
 - automatic version update by autodist