diff --git a/ocaml-result.spec b/ocaml-result.spec
index 0918ff5..9b253fa 100644
--- a/ocaml-result.spec
+++ b/ocaml-result.spec
@@ -1,6 +1,6 @@
 Name:          ocaml-result
-Version:       1.3
-Release:       1mamba
+Version:       1.4
+Release:       2mamba
 Summary:       Compatibility Result module
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -12,6 +12,7 @@ Source:        https://github.com/janestreet/result.git/%{version}/result-%{vers
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.09.0-4mamba
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -39,5 +40,11 @@ Compatibility Result module.
 %{_datadir}/doc/result/*
 
 %changelog
+* Mon Dec 30 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4-2mamba
+- rebuilt with ocaml 4.09.0-4mamba
+
+* Thu Aug 29 2019 Automatic Build System <autodist@mambasoft.it> 1.4-1mamba
+- automatic version update by autodist
+
 * Tue May 07 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3-1mamba
 - package created using the webbuild interface