diff --git a/camlp4.spec b/camlp4.spec
index 5a87d02..a65cdc0 100644
--- a/camlp4.spec
+++ b/camlp4.spec
@@ -1,23 +1,23 @@
 Name:          camlp4
-Version:       4.11
+Version:       4.14
 Release:       1mamba
 Summary:       A software system for writing extensible parsers for programming languages
 Group:         Development/Tools
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
-URL:           https://github.com/ocaml/camlp4
-Source:        https://github.com/ocaml/camlp4.git/%{version}+1/camlp4-%{version}.tar.bz2
+URL:           https://github.com/camlp4/camlp4
+Source:        https://github.com/ocaml/camlp4.git/%{version}%2B1/camlp4-%{version}.tar.bz2
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
-BuildRequires: ocaml >= 4.11.1
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: ocamlbuild
 Provides:      ocaml-camlp4
-Obsoletes:     ocaml-camlp4
+Obsoletes:     ocaml-camlp4 <= 4.11
 Provides:      ocaml-camlp4-devel
-Obsoletes:     ocaml-camlp4-devel
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+Obsoletes:     ocaml-camlp4-devel <= 4.11
 
 %description
 A software system for writing extensible parsers for programming languages.
@@ -56,6 +56,12 @@ A software system for writing extensible parsers for programming languages.
 %doc LICENSE
 
 %changelog
+* Thu Jul 06 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 4.14-1mamba
+- update to 4.14
+
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 4.11-2mamba
+- rebuilt with ocaml 4.14.1
+
 * Thu Jan 21 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 4.11-1mamba
 - update to 4.11