diff --git a/ocaml-ogg.spec b/ocaml-ogg.spec
index 13d555c..2f035cd 100644
--- a/ocaml-ogg.spec
+++ b/ocaml-ogg.spec
@@ -1,7 +1,7 @@
 %define ocamlpck  ogg
 
 Name:          ocaml-ogg
-Version:       0.7.0
+Version:       0.7.4
 Release:       1mamba
 Summary:       OCaml bindings to libogg
 Group:         Development/Bindings
@@ -15,10 +15,11 @@ License:       LGPL
 BuildRequires: glibc-devel
 BuildRequires: libogg-devel
 BuildRequires: ocaml
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: gcc
 BuildRequires: pkg-config
-BuildRequires: ocaml
 BuildRequires: ocaml-findlib
 
 %description
@@ -42,7 +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
 
@@ -66,9 +67,24 @@ rm -rf %{buildroot}/usr/doc
 %{_libdir}/ocaml/%{ocamlpck}/*.cmxa
 %{_libdir}/ocaml/%{ocamlpck}/*.mli
 %{_libdir}/ocaml/%{ocamlpck}/*.h
-%doc CHANGES README.md
+%doc README.md
 
 %changelog
+* Fri Jul 07 2023 Automatic Build System <autodist@mambasoft.it> 0.7.4-1mamba
+- automatic version update by autodist
+
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.7.3-2mamba
+- rebuilt with ocaml 4.14.1
+
+* Thu Aug 25 2022 Automatic Build System <autodist@mambasoft.it> 0.7.3-1mamba
+- automatic version update by autodist
+
+* Sat Jul 09 2022 Automatic Build System <autodist@mambasoft.it> 0.7.2-1mamba
+- automatic version update by autodist
+
+* Sat Mar 12 2022 Automatic Build System <autodist@mambasoft.it> 0.7.1-1mamba
+- automatic version update by autodist
+
 * Sat Jan 29 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.7.0-1mamba
 - update to 0.7.0