diff --git a/biobb_structure_checking/py.typed b/biobb_structure_checking/py.typed
new file mode 100644
index 0000000..e69de29
diff --git a/setup.py b/setup.py
index 9017ffc..c12ea6f 100755
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,7 @@
         "Bioexcel": "https://bioexcel.eu/"
     },
     packages=setuptools.find_packages(exclude=['docs', 'test']),
+    package_data={'biobb_structure_checking': ['py.typed']},
     include_package_data=True,
     install_requires=['psutil', 'numpy', 'biopython>=1.79'],
     python_requires='>=3.8',