diff --git a/ocaml-ssl.spec b/ocaml-ssl.spec
index c0d9464..4ff287d 100644
--- a/ocaml-ssl.spec
+++ b/ocaml-ssl.spec
@@ -1,7 +1,7 @@
 %define ocamlpck  ssl
 
 Name:          ocaml-ssl
-Version:       0.5.10
+Version:       0.7.0
 Release:       1mamba
 Summary:       OCaml SSL bindings
 Group:         Development/Bindings
@@ -15,9 +15,10 @@ License:       LGPL
 BuildRequires: glibc-devel
 BuildRequires: libopenssl-devel
 BuildRequires: ocaml
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 
 %description
@@ -37,11 +38,11 @@ This package contains libraries and signature files for developing applications
 %setup -q
 
 %build
-dune build
+dune build @install
 
 %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
 
@@ -69,6 +70,12 @@ rm -rf %{buildroot}/usr/doc
 %doc examples/
 
 %changelog
+* Fri Jul 21 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 0.7.0-1mamba
+- update to 0.7.0
+
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.5.10-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Mon Jan 31 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.5.10-1mamba
 - update to 0.5.10