diff --git a/ocaml-topkg.spec b/ocaml-topkg.spec
index 63edd30..0197a41 100644
--- a/ocaml-topkg.spec
+++ b/ocaml-topkg.spec
@@ -1,6 +1,6 @@
 Name:          ocaml-topkg
-Version:       1.0.0
-Release:       1mamba
+Version:       1.0.1
+Release:       2mamba
 Summary:       The transitory OCaml software packager
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -12,9 +12,9 @@ Source:        https://github.com/dbuenzli/topkg.git/v%{version}/topkg-%{version
 License:       ISC License
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
-BuildRequires: ocaml
+BuildRequires: ocaml >= 4.09.0-4mamba
 BuildRequires: opam
-BuildRequires: ocaml-result
+BuildRequires: ocaml-result >= 1.4-2mamba
 Requires:      ocaml-result
 Requires:      ocaml
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -50,5 +50,11 @@ mv %{buildroot}%{_docdir}/topkg/LICENSE.md %{buildroot}%{_datadir}/licenses/ocam
 %{_datadir}/licenses/ocaml-topkg/LICENSE.md
 
 %changelog
+* Mon Dec 30 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.1-2mamba
+- rebuilt with ocaml-result 1.4-2mamba
+
+* Thu Aug 29 2019 Automatic Build System <autodist@mambasoft.it> 1.0.1-1mamba
+- automatic version update by autodist
+
 * Sun May 05 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.0-1mamba
 - package created using the webbuild interface