diff --git a/protobuf.spec b/protobuf.spec
index bec21cb..2efa9cb 100644
--- a/protobuf.spec
+++ b/protobuf.spec
@@ -1,6 +1,6 @@
 Name:          protobuf
-Version:       3.11.4
-Release:       2mamba
+Version:       3.12.0
+Release:       1mamba
 Summary:       A way of encoding structured data in an efficient yet extensible format
 Group:         Development/Tools
 Vendor:        openmamba
@@ -87,6 +87,9 @@ LDFLAGS="-latomic"
 %{_libdir}/pkgconfig/protobuf*.pc
 
 %changelog
+* Wed Jun 03 2020 Automatic Build System <autodist@mambasoft.it> 3.12.0-1mamba
+- automatic version update by autodist
+
 * Tue Mar 03 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.11.4-2mamba
 - rebuilt with debug package