diff --git a/ocaml-vorbis.spec b/ocaml-vorbis.spec
index 0bb19c0..57fe42c 100644
--- a/ocaml-vorbis.spec
+++ b/ocaml-vorbis.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-vorbis
 Version:       0.8.0
-Release:       1mamba
+Release:       3mamba
 Summary:       OCaml bindings to the vorbis library
 Group:         Development/Bindings
 Vendor:        openmamba
@@ -16,7 +16,10 @@ BuildRequires: glibc-devel
 BuildRequires: libvorbis-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-ogg-devel
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml-ogg-devel >= 0.7.4
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
 BuildRequires: ocaml-findlib
 
@@ -41,7 +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
 
@@ -77,6 +80,12 @@ rm -rf %{buildroot}/usr/doc
 %doc examples/
 
 %changelog
+* Sun Jul 16 2023 Sdk Build System <sdk@mambasoft.it> 0.8.0-3mamba
+- rebuilt with ocaml-ogg 0.7.4
+
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.8.0-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Mon Feb 07 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.8.0-1mamba
 - update to 0.8.0