diff --git a/dicomanonymizer/dicom_anonymization_databases/__init__.py b/dicomanonymizer/dicom_anonymization_databases/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/setup.py b/setup.py
index 9bf75b2..edc3c71 100644
--- a/setup.py
+++ b/setup.py
@@ -43,6 +43,6 @@
     #
     # For an analysis of "install_requires" vs pip's requirements files see:
     # https://packaging.python.org/en/latest/guides/distributing-packages-using-setuptools/
-    install_requires=["pydicom", "tqdm"],  # Optional
+    install_requires=["pydicom<3", "tqdm"],  # Optional
     extras_require={"dev": ["pytest", "bs4", "fire", "requests", "pre-commit", "ruff"]},
 )