diff --git a/ocaml-num.spec b/ocaml-num.spec
index e600085..8ee809c 100644
--- a/ocaml-num.spec
+++ b/ocaml-num.spec
@@ -1,6 +1,6 @@
 Name:          ocaml-num
 Version:       1.4
-Release:       2mamba
+Release:       3mamba
 Summary:       Legacy Num Ocaml library for arbitrary-precision integer and rational arithmetic
 Group:         System/Libraries
 Vendor:        openmamba
@@ -12,11 +12,10 @@ Patch0:        ocaml-num-1.1-provide_target_findlib_install.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ldconfig
+BuildRequires: ocaml
 BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
-BuildRequires: ocaml >= 4.11.1
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+BuildRequires: ocaml >= 4.14.1
 
 %description
 The legacy Num library for arbitrary-precision integer and rational arithmetic that used to be part of the OCaml core distribution.
@@ -48,6 +47,9 @@ make OCAMLFIND_DESTDIR="%{buildroot}$(ocamlfind printconf destdir)" findlib-inst
 %doc LICENSE
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 1.4-3mamba
+- rebuilt with ocaml 4.14.1
+
 * Fri Jan 22 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4-2mamba
 - rebuilt with ocaml 4.11.1