diff --git a/pkgs/development/ocaml-modules/eigen/default.nix b/pkgs/development/ocaml-modules/eigen/default.nix
index b861f555fca2..d8375b4695c2 100644
--- a/pkgs/development/ocaml-modules/eigen/default.nix
+++ b/pkgs/development/ocaml-modules/eigen/default.nix
@@ -7,30 +7,27 @@
   dune-configurator,
 }:
 
-buildDunePackage rec {
+(buildDunePackage.override { inherit stdenv; }) (finalAttrs: {
   pname = "eigen";
-  version = "0.3.3";
+  version = "0.4.0";
 
   src = fetchFromGitHub {
     owner = "owlbarn";
-    repo = pname;
-    tag = version;
-    hash = "sha256-8V4DQ+b2rzy58NTenK1BsJEJiJKYV6hIp2fJWqczHRY=";
+    repo = "eigen";
+    tag = finalAttrs.version;
+    hash = "sha256-bi+7T9qXByVPIy86lBMiJ2LTKCoNesrKZPa3VEDyINA=";
   };
 
-  minimalOCamlVersion = "4.02";
-
-  env.NIX_CFLAGS_COMPILE = lib.optionalString stdenv.hostPlatform.isDarwin "-I${lib.getInclude stdenv.cc.libcxx}/include/c++/v1";
-
   propagatedBuildInputs = [ ctypes ];
 
   buildInputs = [ dune-configurator ];
 
   meta = {
-    inherit (src.meta) homepage;
+    homepage = "https://github.com/owlbarn/eigen";
     description = "Minimal/incomplete Ocaml interface to Eigen3, mostly for Owl";
     platforms = lib.platforms.x86_64;
     maintainers = with lib.maintainers; [ bcdarwin ];
     license = lib.licenses.mit;
+    broken = stdenv.hostPlatform.isDarwin;
   };
-}
+})
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index bd48025f6d96..5df8c0015013 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -521,7 +521,9 @@ let
 
         easy-format = callPackage ../development/ocaml-modules/easy-format { };
 
-        eigen = callPackage ../development/ocaml-modules/eigen { };
+        eigen = callPackage ../development/ocaml-modules/eigen {
+          stdenv = pkgs.gcc14Stdenv;
+        };
 
         eio = callPackage ../development/ocaml-modules/eio { };
         eio_linux = callPackage ../development/ocaml-modules/eio/linux.nix { };