diff --git a/ocaml-shine.spec b/ocaml-shine.spec
index af739ee..8f2b667 100644
--- a/ocaml-shine.spec
+++ b/ocaml-shine.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-shine
 Version:       0.2.3
-Release:       1mamba
+Release:       2mamba
 Summary:       OCaml binding to the fixed-point mp3 encoding library shine
 Group:         Development/Bindings
 Vendor:        openmamba
@@ -15,8 +15,9 @@ License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: libshine-devel
-BuildRequires: ocaml
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
 BuildRequires: ocaml-ocamldoc
 BuildRequires: libshine-devel >= 3.0.0-1mamba
@@ -43,7 +44,7 @@ dune build
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-DESTDIR=%{buildroot} dune install --prefix "/usr" --libdir "%{_lib}/ocaml"
+DESTDIR=%{buildroot} dune install --prefix "/usr" --libdir "%{_libdir}/ocaml"
 
 rm -rf %{buildroot}/usr/doc
 
@@ -71,6 +72,9 @@ rm -rf %{buildroot}/usr/doc
 %doc examples/
 
 %changelog
+* Fri Jul 07 2023 Sdk Build System <sdk@mambasoft.it> 0.2.3-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Sat Dec 17 2022 Automatic Build System <autodist@mambasoft.it> 0.2.3-1mamba
 - automatic version update by autodist