diff --git a/ocaml-inotify.spec b/ocaml-inotify.spec
index 628113f..ce3af21 100644
--- a/ocaml-inotify.spec
+++ b/ocaml-inotify.spec
@@ -1,8 +1,8 @@
 %define ocamlpck  inotify
 
 Name:          ocaml-inotify
-Version:       2.3
-Release:       2mamba
+Version:       2.4.1
+Release:       1mamba
 Summary:       OCaml bindings for inotify
 Group:         System/Libraries/OCaml
 Vendor:        openmamba
@@ -38,14 +38,13 @@ This package contains libraries and signature files for developing applications
 %setup -q
 
 %build
-./configure --enable-lwt
-make
+dune build @install
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
-export OCAMLFIND_DESTDIR="%{buildroot}$(ocamlfind printconf destdir)"
-install -dm755 "${OCAMLFIND_DESTDIR}/stublibs"
-make install
+DESTDIR=%{buildroot} dune install --prefix "/usr" --libdir "%{_libdir}/ocaml"
+
+rm -rf %{buildroot}/usr/doc
 
 %clean
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -70,6 +69,9 @@ make install
 %doc README.md
 
 %changelog
+* Fri Jul 21 2023 Automatic Build System <autodist@mambasoft.it> 2.4.1-1mamba
+- automatic version update by autodist
+
 * Thu Jul 06 2023 Sdk Build System <sdk@mambasoft.it> 2.3-2mamba
 - rebuilt with ocaml 4.14.1