diff --git a/ocaml-ctypes.spec b/ocaml-ctypes.spec
index 03f9d6a..27372fe 100644
--- a/ocaml-ctypes.spec
+++ b/ocaml-ctypes.spec
@@ -2,7 +2,7 @@
 %define ocamlpck  ctypes
 
 Name:          ocaml-ctypes
-Version:       0.14.0
+Version:       0.16.0
 Release:       1mamba
 Summary:       Combinators for binding to C libraries without writing any C
 Group:         System/Libraries/OCaml
@@ -20,8 +20,8 @@ BuildRequires: libffi-devel
 BuildRequires: ocaml
 BuildRequires: ocaml-camlp4-devel
 BuildRequires: ocaml-findlib
-BuildRequires: ocaml-integers
-BuildRequires: ocaml >= 4.07.1
+BuildRequires: ocaml-integers >= 0.2.2-2mamba
+BuildRequires: ocaml >= 4.09.0-4mamba
 Requires:      ocaml-runtime
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
@@ -80,6 +80,12 @@ make install
 # %doc CHANGES README
 
 %changelog
+* Mon Dec 30 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.16.0-1mamba
+- update to 0.16.0
+
+* Fri Oct 11 2019 Automatic Build System <autodist@mambasoft.it> 0.15.0-1mamba
+- automatic version update by autodist
+
 * Sun May 05 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.14.0-1mamba
 - update to 0.14.0