diff --git a/pkgs/development/python-modules/astropy-healpix/default.nix b/pkgs/development/python-modules/astropy-healpix/default.nix
index fa04d6595e8b..26be3405964c 100644
--- a/pkgs/development/python-modules/astropy-healpix/default.nix
+++ b/pkgs/development/python-modules/astropy-healpix/default.nix
@@ -23,8 +23,13 @@ buildPythonPackage rec {
     hash = "sha256-3l0qfsl7FnBFBmlx8loVDR5AYfBxWb4jZJY02zbnl0Y=";
   };
 
+  postPatch = ''
+    substituteInPlace pyproject.toml --replace "numpy>=2.0.0rc1" "numpy"
+  '';
+
   nativeBuildInputs = [
     astropy-extension-helpers
+    numpy
     setuptools
     setuptools-scm
   ];