diff --git a/meson.build b/meson.build
index fd0a540..545073a 100644
--- a/meson.build
+++ b/meson.build
@@ -36,10 +36,10 @@ inc_np = include_directories(incdir_numpy, incdir_f2py)
 
 # Copy .f2py_f2cmap in buildir (f2py needs it in the working dir)
 fs = import('fs')
-fs.copyfile('.f2py_f2cmap')   
+fs.copyfile('.f2py_f2cmap')
 _polsys_module = custom_target('polsys',
   output: ['polsysmodule.c', 'polsys-f2pywrappers2.f90', 'polsys-f2pywrappers.f'],
-  input: 'pypolsys/src/polsys.pyf',
+  input: ['pypolsys/src/polsys.pyf'],
   command : [py, '-m', 'numpy.f2py', '@INPUT@', '--lower']
 )
 # Pypolsys extension own src files
diff --git a/pyproject.toml b/pyproject.toml
index c1ec3ce..889d70f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 build-backend = 'mesonpy'
-requires = ['meson-python>=0.13.0', 'cython', 'numpy']
+requires = ['meson-python>=0.15.0', 'cython', 'numpy']
 
 [project]
 name = 'pypolsys'