diff --git a/ocamlbuild.spec b/ocamlbuild.spec
index 630087e..e4bbcc9 100644
--- a/ocamlbuild.spec
+++ b/ocamlbuild.spec
@@ -1,19 +1,18 @@
 Name:          ocamlbuild
 Version:       0.14.0
-Release:       3mamba
+Release:       4mamba
 Summary:       A generic build tool, that has built-in rules for building OCaml library and programs
 Group:         Development/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/ocaml/ocamlbuild
-## GITSOURCE https://github.com/ocaml/ocamlbuild.git 0.14.0
 Source:        https://github.com/ocaml/ocamlbuild.git/%{version}/ocamlbuild-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 ## AUTOBUILDREQ-END
-BuildRequires: ocaml >= 4.09.0-4mamba
+BuildRequires: ocaml >= 4.11.1
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -45,6 +44,9 @@ OCamlbuild is a generic build tool, that has built-in rules for building OCaml l
 %doc LICENSE
 
 %changelog
+* Thu Jan 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 0.14.0-4mamba
+- rebuilt with ocaml  4.11.1
+
 * Mon Dec 30 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.14.0-3mamba
 - rebuilt with ocaml 4.09.0-4mamba