diff --git a/pkgs/development/tools/ocaml/dune-release/default.nix b/pkgs/development/tools/ocaml/dune-release/default.nix
index 16c65b3ae243..c404144b05a2 100644
--- a/pkgs/development/tools/ocaml/dune-release/default.nix
+++ b/pkgs/development/tools/ocaml/dune-release/default.nix
@@ -20,6 +20,14 @@ in buildDunePackage rec {
     hash = "sha256-u8TgaoeDaDLenu3s1Km/Kh85WHMtvUy7C7Q+OY588Ss=";
   };
 
+  patches = [
+    # Update tests for dune 3.14 https://github.com/tarides/dune-release/pull/486
+    (fetchpatch {
+      url = "https://github.com/tarides/dune-release/commit/fd0e11cb6d9db2acd772f5cadfb94c72bbcf67a8.patch";
+      hash = "sha256-At24bduds6UwGKGs8cqOn1qaZKElP9TPMSNPimMd1zQ=";
+    })
+  ];
+
   nativeBuildInputs = [ makeWrapper ] ++ runtimeInputs;
   buildInputs = [ curly fmt cmdliner re opam-format opam-state opam-core
                   rresult logs odoc bos yojson astring fpath ];
diff --git a/pkgs/development/tools/ocaml/dune/3.nix b/pkgs/development/tools/ocaml/dune/3.nix
index 5f4816c79896..780739c83004 100644
--- a/pkgs/development/tools/ocaml/dune/3.nix
+++ b/pkgs/development/tools/ocaml/dune/3.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, ocaml, findlib, darwin, ocaml-lsp }:
+{ lib, stdenv, fetchurl, ocaml, findlib, darwin, ocaml-lsp, dune-release }:
 
 if lib.versionOlder ocaml.version "4.08"
 then throw "dune 3 is not available for OCaml ${ocaml.version}"
@@ -6,11 +6,11 @@ else
 
 stdenv.mkDerivation rec {
   pname = "dune";
-  version = "3.13.1";
+  version = "3.14.0";
 
   src = fetchurl {
     url = "https://github.com/ocaml/dune/releases/download/${version}/dune-${version}.tbz";
-    hash = "sha256-L+CvG0z5hknHVVtVXZ9PgdXe2HcYqJ30mI4hSlbIqRY=";
+    hash = "sha256-9NCdiRYmIf3/QkwlP6UMSSDSF5+1s9Heure76Xxosvw=";
   };
 
   nativeBuildInputs = [ ocaml findlib ];
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   installFlags = [ "PREFIX=${placeholder "out"}" "LIBDIR=$(OCAMLFIND_DESTDIR)" ];
 
   passthru.tests = {
-    inherit ocaml-lsp;
+    inherit ocaml-lsp dune-release;
   };
 
   meta = {