diff --git a/ocaml-lilv.spec b/ocaml-lilv.spec
index d3c0bf7..816128d 100644
--- a/ocaml-lilv.spec
+++ b/ocaml-lilv.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-lilv
 Version:       0.1.0
-Release:       2mamba
+Release:       3mamba
 Summary:       OCaml bindings to the lilv library for using LV2 plugins
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -21,9 +21,10 @@ BuildRequires: ocaml
 BuildRequires: ocaml-bigarray-compat-devel
 BuildRequires: ocaml-ctypes-devel
 BuildRequires: ocaml-integers
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 BuildRequires: ocaml-ctypes-devel >= 0.20.1
 
@@ -48,7 +49,7 @@ 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
 
@@ -73,6 +74,9 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES* README.md
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.1.0-3mamba
+- rebuilt with ocaml 4.14.1
+
 * Thu May 19 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.0-2mamba
 - rebuilt with ocaml-ctypes 0.20.1