diff --git a/ocaml-base.spec b/ocaml-base.spec
index 4a6a50b..088133a 100644
--- a/ocaml-base.spec
+++ b/ocaml-base.spec
@@ -1,7 +1,7 @@
 %define ocamlpck  base
 
 Name:          ocaml-base
-Version:       0.16.2
+Version:       0.16.3
 Release:       1mamba
 Summary:       Standard library for OCaml
 Group:         System/Libraries/OCaml
@@ -13,7 +13,6 @@ Source:        https://github.com/janestreet/base.git/v%{version}/base-%{version
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: ocaml
 BuildRequires: ocaml-runtime
 BuildRequires: ocaml-sexplib0-devel
 ## AUTOBUILDREQ-END
@@ -69,6 +68,9 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES*
 
 %changelog
+* Mon Aug 07 2023 Automatic Build System <autodist@mambasoft.it> 0.16.3-1mamba
+- automatic version update by autodist
+
 * Sun Jul 23 2023 Automatic Build System <autodist@mambasoft.it> 0.16.2-1mamba
 - automatic version update by autodist