diff --git a/pkgs/development/python-modules/cxxheaderparser/default.nix b/pkgs/development/python-modules/cxxheaderparser/default.nix
index ba53da3679a2..2d6a079f1d60 100644
--- a/pkgs/development/python-modules/cxxheaderparser/default.nix
+++ b/pkgs/development/python-modules/cxxheaderparser/default.nix
@@ -9,14 +9,14 @@
 
 buildPythonPackage rec {
   pname = "cxxheaderparser";
-  version = "1.3.4";
+  version = "1.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "robotpy";
     repo = "cxxheaderparser";
     rev = version;
-    hash = "sha256-Cyo+18mH1p5Zy4dWP3mjZRIkZZOyb61ABedk/amDi0g=";
+    hash = "sha256-Gf7O1jFICLUcN0z4WYQmh7co2AxdzJY+tdXzu/AdG/g=";
   };
 
   postPatch = ''
@@ -35,5 +35,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/robotpy/cxxheaderparser";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [ nim65s ];
+    platforms = lib.platforms.unix;
   };
 }