diff --git a/ocaml-dssi.spec b/ocaml-dssi.spec
index 3d72639..7b6a919 100644
--- a/ocaml-dssi.spec
+++ b/ocaml-dssi.spec
@@ -2,7 +2,7 @@
 
 Name:          ocaml-dssi
 Version:       0.1.5
-Release:       1mamba
+Release:       2mamba
 Summary:       OCaml bindings for dssi plugins
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -15,9 +15,10 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-ladspa-devel
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 
 %description
@@ -41,7 +42,7 @@ 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
 
@@ -68,5 +69,8 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.1.5-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Fri Feb 11 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1.5-1mamba
 - package created using the webbuild interface