diff --git a/_service b/_service
index ee81a8f..3acbaf6 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">4e9ca5de1bf9eb8cd3d2277634d418ba747be864</param>
+    <param name="revision">ccd447e41a711f8a52bc854d71dba8677c900c34</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-2.3.1.tar.xz b/ocaml-dune-2.3.1.tar.xz
deleted file mode 100644
index 890090a..0000000
--- a/ocaml-dune-2.3.1.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3a154d6ca923c3d315c31c779e38e244aacb24db79b2a38053e8f00d7b6e0fdc
-size 896604
diff --git a/ocaml-dune-2.4.0.tar.xz b/ocaml-dune-2.4.0.tar.xz
new file mode 100644
index 0000000..7d7a7b5
--- /dev/null
+++ b/ocaml-dune-2.4.0.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0251d9855b43e74ae806d9f718889a38f101d6f16c2932e6ae65e79e956a2408
+size 912696
diff --git a/ocaml-dune.changes b/ocaml-dune.changes
index 8603673..2362fab 100644
--- a/ocaml-dune.changes
+++ b/ocaml-dune.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Sat Feb 29 20:20:20 UTC 2020 - ohering@suse.de
 
-- update version 2.3.1
+- update version 2.4.0
   see included CHANGES.md for details
 
 -------------------------------------------------------------------
diff --git a/ocaml-dune.spec b/ocaml-dune.spec
index 71000de..d5424ac 100644
--- a/ocaml-dune.spec
+++ b/ocaml-dune.spec
@@ -17,7 +17,7 @@
 
 
 Name:           ocaml-dune
-Version:        2.3.1
+Version:        2.4.0
 Release:        0
 %{?ocaml_preserve_bytecode}
 Summary:        A composable build system for OCaml