diff --git a/ocaml-ffmpeg.spec b/ocaml-ffmpeg.spec
index 7363a87..9ddad80 100644
--- a/ocaml-ffmpeg.spec
+++ b/ocaml-ffmpeg.spec
@@ -2,7 +2,7 @@
 %define gittag %(eho %version | cut -d. -f5)
 
 Name:          ocaml-ffmpeg
-Version:       1.1.6
+Version:       1.1.8
 Release:       1mamba
 Summary:       OCaml bindings to the FFmpeg library
 Group:         Development/Bindings
@@ -22,7 +22,9 @@ BuildRequires: libavutil-ffmpeg-devel
 BuildRequires: libswresample-ffmpeg-devel
 BuildRequires: libswscale-ffmpeg-devel
 BuildRequires: ocaml
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 
 %description
 OCaml bindings to the FFmpeg library.
@@ -45,7 +47,7 @@ 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 +79,18 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES README.md
 
 %changelog
+* Sat Jul 08 2023 Automatic Build System <autodist@mambasoft.it> 1.1.8-1mamba
+- automatic version update by autodist
+
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 1.1.7-2mamba
+- rebuilt with ocaml 4.14.1
+
+* Sat Jul 01 2023 Automatic Build System <autodist@mambasoft.it> 1.1.7-1mamba
+- automatic version update by autodist
+
+* Sat Jul 01 2023 Sdk Build System <sdk@mambasoft.it> 1.1.6-2mamba
+- rebuilt with ocaml 5.0.0
+
 * Thu Sep 29 2022 Automatic Build System <autodist@mambasoft.it> 1.1.6-1mamba
 - automatic version update by autodist