diff --git a/ocaml-dtools.spec b/ocaml-dtools.spec
index 9f9b6ca..a99c39c 100644
--- a/ocaml-dtools.spec
+++ b/ocaml-dtools.spec
@@ -1,6 +1,6 @@
 Name:          ocaml-dtools
-Version:       0.4.4
-Release:       1mamba
+Version:       0.4.5
+Release:       2mamba
 Summary:       OCaml modules for writing daemons
 Group:         Development/Libraries
 Vendor:        openmamba
@@ -12,9 +12,10 @@ License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: ocaml
+BuildRequires: ocaml-runtime
 ## AUTOBUILDREQ-END
+BuildRequires: ocaml >= 4.14.1
 BuildRequires: dune
-BuildRequires: ocaml
 
 %package devel
 Group:         Development/Libraries/OCaml
@@ -37,7 +38,7 @@ 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
 
@@ -61,6 +62,15 @@ rm -rf %{buildroot}/usr/doc
 %doc CHANGES README.md
 
 %changelog
+* Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 0.4.5-2mamba
+- rebuilt with ocaml 4.14.1
+
+* Sat Jul 01 2023 Automatic Build System <autodist@mambasoft.it> 0.4.5-1mamba
+- automatic version update by autodist
+
+* Sat Jul 01 2023 Sdk Build System <sdk@mambasoft.it> 0.4.4-2mamba
+- rebuilt with ocaml 5.0.0
+
 * Sun Jan 30 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.4-1mamba
 - update to 0.4.4