diff --git a/ocaml-flac.spec b/ocaml-flac.spec
index fa7e14d..74f1756 100644
--- a/ocaml-flac.spec
+++ b/ocaml-flac.spec
@@ -1,8 +1,8 @@
 %define ocamlpck  flac
 
 Name:          ocaml-flac
-Version:       0.4.0
-Release:       2mamba
+Version:       0.5.0
+Release:       1mamba
 Summary:       OCaml bindings to libFLAC
 Group:         Development/Bindings
 Vendor:        openmamba
@@ -15,7 +15,6 @@ License:       GPL
 BuildRequires: glibc-devel
 BuildRequires: libflac-devel
 BuildRequires: libogg-devel
-BuildRequires: ocaml
 BuildRequires: ocaml-ogg-devel
 BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
@@ -72,6 +71,9 @@ rm -rf %{buildroot}/usr/doc
 %doc examples/
 
 %changelog
+* Sat Sep 09 2023 Automatic Build System <autodist@mambasoft.it> 0.5.0-1mamba
+- automatic version update by autodist
+
 * Sun Jul 16 2023 Sdk Build System <sdk@mambasoft.it> 0.4.0-2mamba
 - rebuilt with ocaml-ogg 0.7.4