diff --git a/_service b/_service
index 3164d57..9c48d0d 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">68c36597dfb99187ccbadf578988deaf690c4e25</param>
+    <param name="revision">09eac98ced1fff7dea4e5ac45b59e00c1874067e</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-3.0.3.tar.xz b/ocaml-dune-3.0.3.tar.xz
deleted file mode 100644
index da6d3a9..0000000
--- a/ocaml-dune-3.0.3.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:30ea08cee53acd589ff75e8e072142364138d378a609e1d51bdde55221fd2e87
-size 1271024
diff --git a/ocaml-dune-3.1.1.tar.xz b/ocaml-dune-3.1.1.tar.xz
new file mode 100644
index 0000000..0698f74
--- /dev/null
+++ b/ocaml-dune-3.1.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08ac69ffcf8275417306ac91ad581a895ad765407ab9d9846d590e1827c8cd57
+size 1278124
diff --git a/ocaml-dune.changes b/ocaml-dune.changes
index fdff1ce..d82ca84 100644
--- a/ocaml-dune.changes
+++ b/ocaml-dune.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Apr 19 19:19:19 UTC 2022 - ohering@suse.de
+
+- Update to version 3.1.1
+  see included CHANGES.md for details
+
 -------------------------------------------------------------------
 Sat Apr  9 12:34:56 UTC 2022 - ohering@suse.de
 
diff --git a/ocaml-dune.spec b/ocaml-dune.spec
index 763e79b..6083a1e 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:        3.0.3
+Version:        3.1.1
 Release:        0
 %{?ocaml_preserve_bytecode}
 License:        MIT
@@ -68,6 +68,7 @@ dune-rpc
 dune-site
 dyn
 fiber
+ocamlc-loc
 ordering
 stdune
 xdg
@@ -111,6 +112,7 @@ dune-rpc
 dune-site
 dyn
 fiber
+ocamlc-loc
 ordering
 stdune
 xdg