diff --git a/_service b/_service
index 93b771e..83cae07 100644
--- a/_service
+++ b/_service
@@ -1,7 +1,7 @@
 <services>
   <service name="tar_scm" mode="disabled">
     <param name="filename">ocaml-dune</param>
-    <param name="revision">7cbb0e7277c6cacd1ccf7941cac5a03c25fc63cf</param>
+    <param name="revision">2e4994f005e9a94993150601bdb60759d9de5ab6</param>
     <param name="scm">git</param>
     <param name="submodules">disable</param>
     <param name="url">https://github.com/ocaml/dune.git</param>
diff --git a/ocaml-dune-3.11.1.tar.xz b/ocaml-dune-3.11.1.tar.xz
deleted file mode 100644
index 72c11a5..0000000
--- a/ocaml-dune-3.11.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:81436df35b1774be3b73fcfe9d271998cea65bad60fa633ac871d1a5310fedd6
-size 2000064
diff --git a/ocaml-dune-3.12.1.tar.xz b/ocaml-dune-3.12.1.tar.xz
new file mode 100644
index 0000000..de8b6aa
--- /dev/null
+++ b/ocaml-dune-3.12.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e091471935b52080e0a664d154dacec98562be30df5c2da311335dadd8597458
+size 2078044
diff --git a/ocaml-dune.changes b/ocaml-dune.changes
index 9b0900b..1c6a30d 100644
--- a/ocaml-dune.changes
+++ b/ocaml-dune.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Dec 12 12:12:12 UTC 2023 - ohering@suse.de
+
+- Update to version 3.12.1
+  see included CHANGES.md file for details
+
 -------------------------------------------------------------------
 Tue Oct 10 10:10:10 UTC 2023 - ohering@suse.de
 
diff --git a/ocaml-dune.spec b/ocaml-dune.spec
index e2c0230..009100a 100644
--- a/ocaml-dune.spec
+++ b/ocaml-dune.spec
@@ -25,7 +25,7 @@
 %define     pkg ocaml-dune
 %global  _buildshell /bin/bash
 Name:           %pkg%nsuffix
-Version:        3.11.1
+Version:        3.12.1
 Release:        0
 %{?ocaml_preserve_bytecode}
 License:        MIT
@@ -34,7 +34,7 @@ BuildRoot:      %_tmppath/%name-%version-build
 URL:            https://opam.ocaml.org/packages/dune
 Source0:        %pkg-%version.tar.xz
 Requires:       ocamlfind(compiler-libs)
-BuildRequires:  ocaml-rpm-macros >= 20230101
+BuildRequires:  ocaml-rpm-macros >= 20231101
 BuildRequires:  ocaml(ocaml_base_version) >= 4.08
 %if "%build_flavor" == ""
 Provides:       %name-bootstrap = %version-%release