diff --git a/doc/coq.rst b/doc/coq.rst
index 4d4527e94bd..12907d35ed7 100644
--- a/doc/coq.rst
+++ b/doc/coq.rst
@@ -331,7 +331,7 @@ Let us start with a simple project. First, make sure we have a
 
 .. code:: scheme
 
-  (lang dune 3.7)
+  (lang dune 3.8)
   (using coq 0.7)
 
 Next we need a :ref:`dune<dune-files>` file with a :ref:`coq-theory` stanza:
@@ -544,7 +544,7 @@ otherwise Coq will not be able to find it.
 
 .. code:: scheme
 
-  (lang dune 3.7)
+  (lang dune 3.8)
   (using coq 0.7)
 
   (package
diff --git a/doc/dune-files.rst b/doc/dune-files.rst
index 037731062c2..235a86b1b12 100644
--- a/doc/dune-files.rst
+++ b/doc/dune-files.rst
@@ -14,7 +14,7 @@ contents of all configuration files read by Dune and looks like:
 
 .. code:: scheme
 
-   (lang dune 3.7)
+   (lang dune 3.8)
 
 Additionally, they can contains the following stanzas.
 
@@ -540,7 +540,7 @@ The ``dune-workspace`` file uses the S-expression syntax. This is what a typical
 
 .. code:: scheme
 
-    (lang dune 3.7)
+    (lang dune 3.8)
     (context (opam (switch 4.07.1)))
     (context (opam (switch 4.08.1)))
     (context (opam (switch 4.11.1)))
diff --git a/doc/foreign-code.rst b/doc/foreign-code.rst
index fbbbc64caa5..e2f31a55321 100644
--- a/doc/foreign-code.rst
+++ b/doc/foreign-code.rst
@@ -92,7 +92,7 @@ file:
 
 .. code:: scheme
 
-  (lang dune 3.7)
+  (lang dune 3.8)
   (using ctypes 0.1)
 
 
diff --git a/doc/hacking.rst b/doc/hacking.rst
index 3ecc6bc40dc..0d2b52f56c7 100644
--- a/doc/hacking.rst
+++ b/doc/hacking.rst
@@ -237,8 +237,8 @@ Such languages must be enabled in the ``dune`` project file separately:
 
 .. code:: scheme
 
-   (lang dune 3.7)
-   (using coq 0.2)
+   (lang dune 3.8)
+   (using coq 0.7)
 
 If such extensions are experimental, it's recommended that they pass
 ``~experimental:true``, and that their versions are below 1.0.
diff --git a/doc/instrumentation.rst b/doc/instrumentation.rst
index c2105752446..a322f449782 100644
--- a/doc/instrumentation.rst
+++ b/doc/instrumentation.rst
@@ -88,14 +88,14 @@ To enable an instrumentation backend globally, type the following in your
 
 .. code:: scheme
 
-   (lang dune 3.7)
+   (lang dune 3.8)
    (instrument_with bisect_ppx)
 
 or for each context individually:
 
 .. code:: scheme
 
-   (lang dune 3.7)
+   (lang dune 3.8)
    (context default)
    (context (default (name coverage) (instrument_with bisect_ppx)))
    (context (default (name profiling) (instrument_with landmarks)))
diff --git a/doc/opam.rst b/doc/opam.rst
index bfe38bcc99e..03256363d0d 100644
--- a/doc/opam.rst
+++ b/doc/opam.rst
@@ -94,7 +94,7 @@ configuration will tell Dune to generate two opam files: ``cohttp.opam`` and
 
 .. code:: scheme
 
-   (lang dune 3.7)
+   (lang dune 3.8)
    (name cohttp)
    ; version field is optional
    (version 1.0.0)
diff --git a/doc/sites.rst b/doc/sites.rst
index b8be0b42cdf..5f9cb61a367 100644
--- a/doc/sites.rst
+++ b/doc/sites.rst
@@ -26,7 +26,7 @@ consists of a name and a :ref:`section<install>` (e.g ``lib``, ``share``,
 
 .. code:: scheme
 
-   (lang dune 3.7)
+   (lang dune 3.8)
    (using dune_site 0.1)
    (name mygui)
 
@@ -225,7 +225,7 @@ Main Executable (C)
 
 .. code:: scheme
 
-  (lang dune 3.7)
+  (lang dune 3.8)
   (using dune_site 0.1)
   (name app)
 
@@ -279,7 +279,7 @@ The Plugin "plugin1"
 
 .. code:: scheme
 
-  (lang dune 3.7)
+  (lang dune 3.8)
   (using dune_site 0.1)
 
   (generate_opam_files true)
diff --git a/otherlibs/dune-rpc/private/types.ml b/otherlibs/dune-rpc/private/types.ml
index e2d2b373a28..450d20cd2f7 100644
--- a/otherlibs/dune-rpc/private/types.ml
+++ b/otherlibs/dune-rpc/private/types.ml
@@ -35,7 +35,7 @@ end
 module Version = struct
   type t = int * int
 
-  let latest = (3, 7)
+  let latest = (3, 8)
 
   let sexp : t Conv.value =
     let open Conv in
diff --git a/test/blackbox-tests/test-cases/dune-init.t/run.t b/test/blackbox-tests/test-cases/dune-init.t/run.t
index bd1ed44877e..5a54f6f43ad 100644
--- a/test/blackbox-tests/test-cases/dune-init.t/run.t
+++ b/test/blackbox-tests/test-cases/dune-init.t/run.t
@@ -369,7 +369,7 @@ And the opam file will be generated as expected
   bug-reports: "https://github.com/username/reponame/issues"
   depends: [
     "ocaml"
-    $dune {>= "3.7"}
+    $dune {>= "3.8"}
     "odoc" {with-doc}
   ]
   build: [
@@ -479,7 +479,7 @@ And the opam file will be generated as expected
   bug-reports: "https://github.com/username/reponame/issues"
   depends: [
     "ocaml"
-    "dune" {>= "3.7"}
+    "dune" {>= "3.8"}
     "odoc" {with-doc}
   ]
   build: [
diff --git a/test/blackbox-tests/test-cases/melange/basic-install.t b/test/blackbox-tests/test-cases/melange/basic-install.t
index 9e78d90a6fd..f8cfc1e4f26 100644
--- a/test/blackbox-tests/test-cases/melange/basic-install.t
+++ b/test/blackbox-tests/test-cases/melange/basic-install.t
@@ -27,7 +27,7 @@ Test that we can install melange mode libraries
   ]
 
   $ cat ./_build/install/default/lib/foo/dune-package
-  (lang dune 3.7)
+  (lang dune 3.8)
   (name foo)
   (sections (lib .))
   (files