diff --git a/ocaml-dune-no-lwt.patch b/ocaml-dune-no-lwt.patch
index 201dac2..51cabf2 100644
--- a/ocaml-dune-no-lwt.patch
+++ b/ocaml-dune-no-lwt.patch
@@ -1,5 +1,5 @@
---- dune-3.7.0/dune-file.orig	2023-02-17 07:44:16.000000000 -0700
-+++ dune-3.7.0/dune-file	2023-02-18 13:34:33.294759108 -0700
+--- dune-3.15.0/dune-file.orig	2024-04-03 03:29:40.000000000 -0600
++++ dune-3.15.0/dune-file	2024-04-05 08:48:56.083804773 -0600
 @@ -30,9 +30,6 @@
   (copy dune-private-libs.opam.template ordering.opam.template))
  
@@ -10,9 +10,9 @@
   (copy dune-private-libs.opam.template fiber.opam.template))
  
  (rule
---- dune-3.7.0/dune-project.orig	2023-02-17 07:44:16.000000000 -0700
-+++ dune-3.7.0/dune-project	2023-02-18 13:34:52.868400083 -0700
-@@ -147,17 +147,6 @@ understood by dune language."))
+--- dune-3.15.0/dune-project.orig	2024-04-03 03:29:40.000000000 -0600
++++ dune-3.15.0/dune-project	2024-04-05 08:49:50.546090649 -0600
+@@ -149,16 +149,6 @@ understood by dune language."))
   (description "Library to connect and control a running dune instance"))
  
  (package
@@ -20,9 +20,8 @@
 - (synopsis "Communicate with dune using rpc and Lwt")
 - (depends
 -  (dune-rpc (= :version))
--  (result (>= 1.5))
 -  (csexp (>= 1.5.0))
--  (lwt (>= 5.3.0))
+-  (lwt (>= 5.6.0))
 -  base-unix)
 - (description "Specialization of dune-rpc to Lwt"))
 -
diff --git a/ocaml-dune.spec b/ocaml-dune.spec
index ad64750..f8128c6 100644
--- a/ocaml-dune.spec
+++ b/ocaml-dune.spec
@@ -8,7 +8,7 @@
 %bcond lwt 0
 
 Name:           ocaml-dune
-Version:        3.14.2
+Version:        3.15.0
 Release:        1%{?dist}
 Summary:        Composable build system for OCaml and Reason
 
@@ -56,10 +56,11 @@ BuildRequires:  ocaml-pp-devel >= 1.2.0
 BuildRequires:  ocaml-rpm-macros
 BuildRequires:  %{py3_dist sphinx}
 BuildRequires:  %{py3_dist sphinx-copybutton}
+BuildRequires:  %{py3_dist sphinx-design}
 BuildRequires:  %{py3_dist sphinx-rtd-theme}
 
 %if %{with lwt}
-BuildRequires:  ocaml-lwt-devel
+BuildRequires:  ocaml-lwt-devel >= 5.6.0
 %endif
 
 # Dune has vendored deps to avoid dependency cycles.  Upstream deliberately
@@ -116,7 +117,6 @@ productive.
 %package        doc
 # The content is MIT.  Other licenses are due to files added by sphinx.
 # BSD-2-Clause:
-# - _static/_sphinx_javascript_frameworks_compat.js
 # - _static/basic.css
 # - _static/doctools.js
 # - _static/documentation_options.js
@@ -127,17 +127,20 @@ productive.
 # - _static/searchtools.js
 # - _static/sphinx_highlight.js
 # MIT:
+# - _static/check-solid.svg
+# - _static/clipboard.min.js
+# - _static/copy-button.svg
+# - _static/copybutton.css
+# - _static/copybutton.js
+# - _static/copybutton_funcs.js
+# - _static/design-style.*.min.css
+# - _static/design-tabs.js
 # - _static/css
-# - _static/jquery*
 # - _static/js
-# - _static/underscore*
 License:        MIT AND BSD-2-Clause
 Summary:        HTML documentation for %{name}
 BuildArch:      noarch
 
-Provides:       bundled(js-jquery) = 3.6.0
-Provides:       bundled(js-underscore) = 1.13.1
-
 %description    doc
 HTML documentation for dune, a composable build system for OCaml.
 
@@ -313,7 +316,6 @@ Requires:       %{name}-rpc-lwt%{?_isa} = %{version}-%{release}
 Requires:       %{name}-rpc-devel%{?_isa} = %{version}-%{release}
 Requires:       ocaml-csexp-devel%{?_isa}
 Requires:       ocaml-lwt-devel%{?_isa}
-Requires:       ocaml-result-devel%{?_isa}
 
 %description    rpc-lwt-devel
 The ocaml-dune-rpc-lwt-devel package contains libraries and signature
@@ -574,6 +576,9 @@ cd -
 %files -n ocaml-xdg-devel -f .ofiles-xdg-devel
 
 %changelog
+* Fri Apr  5 2024 Jerry James <loganjerry@gmail.com> - 3.15.0-1
+- Version 3.15.0
+
 * Thu Mar 14 2024 Jerry James <loganjerry@gmail.com> - 3.14.2-1
 - Version 3.14.2
 
diff --git a/sources b/sources
index 139c04a..7d5b68c 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (dune-3.14.2.tar.gz) = 33079fce72a86e6d4c0d33686b17c7056bd361959d3873f8bb5fc3d1993341c4645b2f389944a2e0a071243a7f22936bdcb28261dae79b517cf14aa230af448c
+SHA512 (dune-3.15.0.tar.gz) = 1a48e70157ecf697ab490d05863cd8936978d7aac71e3cf16b3bd1c0de37442c65261df0906d2daba75ad66f1b7463af26f00c7c4fb7c17a6505375505b21d13