diff --git a/ocaml-frei0r.spec b/ocaml-frei0r.spec
index d08fc8d..fc3877d 100644
--- a/ocaml-frei0r.spec
+++ b/ocaml-frei0r.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-frei0r
 Version:       0.1.2
-Release:       1mamba
+Release:       2mamba
 Summary:       OCaml bindings to the frei0r video API
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -16,9 +16,9 @@ BuildRequires: glibc-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: frei0r-plugins-devel
 BuildRequires: dune
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 Requires:      frei0r-plugins
 
@@ -43,7 +43,7 @@ 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
 
@@ -70,5 +70,8 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES* README.md
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.1.2-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Fri Feb 11 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.2-1mamba
 - package created using the webbuild interface