diff --git a/ocaml-num.spec b/ocaml-num.spec
index aa8db21..e600085 100644
--- a/ocaml-num.spec
+++ b/ocaml-num.spec
@@ -1,5 +1,5 @@
 Name:          ocaml-num
-Version:       1.3
+Version:       1.4
 Release:       2mamba
 Summary:       Legacy Num Ocaml library for arbitrary-precision integer and rational arithmetic
 Group:         System/Libraries
@@ -7,14 +7,15 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           https://github.com/ocaml/num
-## GITSOURCE https://github.com/ocaml/num.git v1.1
 Source:        https://github.com/ocaml/num.git/v%{version}/num-%{version}.tar.bz2
 Patch0:        ocaml-num-1.1-provide_target_findlib_install.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
-BuildRequires: ocaml >= 4.09.0-4mamba
+BuildRequires: ocaml >= 4.11.1
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -47,6 +48,12 @@ make OCAMLFIND_DESTDIR="%{buildroot}$(ocamlfind printconf destdir)" findlib-inst
 %doc LICENSE
 
 %changelog
+* Fri Jan 22 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4-2mamba
+- rebuilt with ocaml 4.11.1
+
+* Wed Jan 13 2021 Automatic Build System <autodist@mambasoft.it> 1.4-1mamba
+- automatic version update by autodist
+
 * Mon Dec 30 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3-2mamba
 - rebuilt with ocaml 4.09.0-4mamba