diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..b6de0ed
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include AstroAtmosphere/data/1976USSA.txt
\ No newline at end of file
diff --git a/setup.py b/setup.py
index ce6a743..8a9a828 100644
--- a/setup.py
+++ b/setup.py
@@ -21,14 +21,14 @@ def setup_package():
     # write_version_py()
 
     setup(name='AstroAtmosphere',
-          version='1.2.1',
+          version='1.2.2',
           description='Collection of equations for refractive index, refraction and dispersion calculations of atmospheric air.',
           long_description=__readme__,
           long_description_content_type='text/markdown',
           author='Joost van den Born',
           author_email='born@astron.nl',
           url='https://gitlab.astro-wise.org/micado/atmosphericmodel',
-          download_url='https://gitlab.astro-wise.org/micado/atmosphericmodel/-/archive/v1.2.1/atmosphericmodel-v1.2.1.tar.gz',
+          download_url='https://gitlab.astro-wise.org/micado/atmosphericmodel/-/archive/v1.2.2/atmosphericmodel-v1.2.2.tar.gz',
           license='GNU General Public License v3',
           data_files = [('',['LICENSE.txt'])],
           package_dir={'AstroAtmosphere': 'AstroAtmosphere'},