diff --git a/0.3.7.tar.gz b/0.3.7.tar.gz
deleted file mode 100644
index 5cc85d5..0000000
Binary files a/0.3.7.tar.gz and /dev/null differ
diff --git a/ocaml-gettext-0.3.7-bytes-fix.patch b/ocaml-gettext-0.3.7-bytes-fix.patch
deleted file mode 100644
index df1c80f..0000000
--- a/ocaml-gettext-0.3.7-bytes-fix.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-diff -ur ocaml-gettext-0.3.7.old/libgettext-ocaml/gettextMo_int32.ml ocaml-gettext-0.3.7/libgettext-ocaml/gettextMo_int32.ml
---- ocaml-gettext-0.3.7.old/libgettext-ocaml/gettextMo_int32.ml	2017-03-01 22:03:24.000000000 +0000
-+++ ocaml-gettext-0.3.7/libgettext-ocaml/gettextMo_int32.ml	2017-11-08 18:33:04.486280040 +0000
-@@ -104,11 +104,11 @@
-      (Int32.to_int length,Int32.to_int offset)
-    in
-    if 0 <= ioffset + ilength && ioffset + ilength < in_channel_length chn then
--     let str = String.make ilength 'X'
-+     let str = Bytes.make ilength 'X'
-      in
-      seek_in chn ioffset;
-      really_input chn str 0 ilength;
--     str
-+     Bytes.to_string str
-    else
-      (* We use this exception, because that what should happen if we try to 
-         read the string *)
diff --git a/ocaml-gettext-0.4.2.tar.gz b/ocaml-gettext-0.4.2.tar.gz
new file mode 100644
index 0000000..acc71e2
Binary files /dev/null and b/ocaml-gettext-0.4.2.tar.gz differ
diff --git a/ocaml-gettext.spec b/ocaml-gettext.spec
index daf2ec1..b93d1aa 100644
--- a/ocaml-gettext.spec
+++ b/ocaml-gettext.spec
@@ -1,13 +1,12 @@
 Name:           ocaml-gettext
-Version:        0.3.7
-Release:        9
+Version:        0.4.2
+Release:        1
 Summary:        Internationalization library for OCaml
 License:        LGPLv2+ with exceptions
 URL:            https://github.com/gildor478/ocaml-gettext
-Source0:        https://github.com/gildor478/ocaml-gettext/archive/%{version}.tar.gz
-Patch0001:      ocaml-gettext-0.3.7-bytes-fix.patch
+Source0:        https://github.com/gildor478/ocaml-gettext/archive/%{name}-%{version}.tar.gz
 BuildRequires:  ocaml >= 4.00.1 ocaml-findlib-devel >= 1.3.3-3 ocaml-ocamldoc ocaml-camlp4-devel
-BuildRequires:  ocaml-fileutils-devel >= 0.4.4-4 docbook-style-xsl
+BuildRequires:  ocaml-fileutils-devel >= 0.4.4-4 docbook-style-xsl ocaml-dune-devel ocaml-cppo
 BuildRequires:  libxslt libxml2 chrpath autoconf automake
 
 %global __ocaml_requires_opts -i Asttypes -i Parsetree
@@ -26,54 +25,48 @@ The ocaml-gettext-devel package contains development and libraries and files for
 
 %prep
 %autosetup -p1
-autoreconf -i
+
+sed -i -e 's/batteries//' test/dune
+sed -i -e 's/batteries//' test/test-stub/dune
+sed -i 's/dev/%{version}/g' configure.ml src/lib/gettext/base/gettextConfigGen.ml
+rm -r src/lib/gettext-camomile
+rm -r test/test-camomile
+sed -i -e 's/camomile//' `find -name dune`
 
 %build
-unset MAKEFLAGS
-CFLAGS="$RPM_OPT_FLAGS" ./configure --libdir=%{_libdir} --disable-camomile \
-  --with-docbook-stylesheet=/usr/share/sgml/docbook/xsl-stylesheets
-make all
+make build
 
 %install
-export OCAMLFIND_DESTDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml
-install -d $OCAMLFIND_DESTDIR $OCAMLFIND_DESTDIR/stublibs
-install -d $RPM_BUILD_ROOT%{_bindir}
-ocamlfind install gettext _build/lib/gettext/*
-ocamlfind install gettext-stub _build/lib/gettext-stub/*
-cp _build/bin/ocaml-gettext $RPM_BUILD_ROOT%{_bindir}/
-chmod 0755 $RPM_BUILD_ROOT%{_bindir}/ocaml-gettext
-cp _build/bin/ocaml-xgettext $RPM_BUILD_ROOT%{_bindir}/
-chmod 0755 $RPM_BUILD_ROOT%{_bindir}/ocaml-xgettext
-chrpath --delete $OCAMLFIND_DESTDIR/stublibs/dll*.so
+mkdir -p $RPM_BUILD_ROOT%{_libdir}/ocaml
+mkdir -p $RPM_BUILD_ROOT%{_bindir}
+dune install --destdir=$RPM_BUILD_ROOT
+rm -rf $RPM_BUILD_ROOT/%{_libdir}/ocaml/gettext-camomile
+rm -rf $RPM_BUILD_ROOT/usr/doc
 
 %files
-%doc COPYING
-%{_libdir}/ocaml/gettext/*.cma
-%{_libdir}/ocaml/gettext/*.cmi
-%{_libdir}/ocaml/gettext/*.cmo
-%{_libdir}/ocaml/gettext/META
+%doc LICENSE.txt
+%{_libdir}/ocaml/gettext
+%{_libdir}/ocaml/gettext-stub
+%exclude %{_libdir}/ocaml/gettext/*/*.ml
+%exclude %{_libdir}/ocaml/gettext/*/*.mli
+%exclude %{_libdir}/ocaml/gettext-stub/*.ml
 %{_libdir}/ocaml/stublibs/*.so
-%{_libdir}/ocaml/stublibs/*.so.owner
-%{_libdir}/ocaml/gettext-stub/*.cma
-%{_libdir}/ocaml/gettext-stub/*.cmi
-%{_libdir}/ocaml/gettext-stub/META
-%exclude %{_libdir}/ocaml/gettext-stub/*.o
 
 %files devel
-%doc README CHANGELOG TODO
-%{_libdir}/ocaml/gettext/*.a
-%{_libdir}/ocaml/gettext/*.cmxa
-%{_libdir}/ocaml/gettext/*.cmx
-%{_libdir}/ocaml/gettext-stub/*.a
-%{_libdir}/ocaml/gettext-stub/*.cmxa
-%{_libdir}/ocaml/gettext-stub/*.cmx
-%{_libdir}/ocaml/gettext/*.ml
-%{_libdir}/ocaml/gettext/*.mli
+%doc README.md CHANGES.md THANKS TODO.md
+%{_libdir}/ocaml/gettext/*/*.ml
+%{_libdir}/ocaml/gettext/*/*.mli
 %{_libdir}/ocaml/gettext-stub/*.ml
 %{_bindir}/ocaml-gettext
 %{_bindir}/ocaml-xgettext
+%{_mandir}/man1/ocaml-gettext.1*
+%{_mandir}/man1/ocaml-xgettext.1*
+%{_mandir}/man5/ocaml-gettext.5*
 
 %changelog
+* Tue Sep 19 2023 liyanan <thistleslyn@163.com> - 0.4.2-1
+- update to 0.4.2
+
 * Wed Aug 24 2022 wangkai <wangkai385@h-partners.com> - 0.3.7-9
 - Enable debuginfo for fix strip
 
diff --git a/ocaml-gettext.yaml b/ocaml-gettext.yaml
new file mode 100644
index 0000000..f6def33
--- /dev/null
+++ b/ocaml-gettext.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: gildor478/ocaml-gettext
+tag_prefix: "^v"
+separator: .