diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..02f46d1
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include csv_metadata_quality/data/licenses.json
diff --git a/csv_metadata_quality/util.py b/csv_metadata_quality/util.py
index 32b80ab..741476c 100644
--- a/csv_metadata_quality/util.py
+++ b/csv_metadata_quality/util.py
@@ -2,7 +2,7 @@
 
 
 import json
-from importlib.resources import files
+import os
 
 from ftfy.badness import is_bad
 
@@ -58,7 +58,7 @@ def is_mojibake(field):
 def load_spdx_licenses():
     """Returns a Python list of SPDX short license identifiers."""
 
-    with open(files("csv_metadata_quality").joinpath("data/licenses.json")) as f:
+    with open(os.path.join(os.path.dirname(__file__), "data/licenses.json")) as f:
         licenses = json.load(f)
 
     # List comprehension to extract the license ID for each license
diff --git a/setup.py b/setup.py
index 396bc8e..9160741 100644
--- a/setup.py
+++ b/setup.py
@@ -32,5 +32,6 @@ setuptools.setup(
     entry_points={
         "console_scripts": ["csv-metadata-quality = csv_metadata_quality.__main__:main"]
     },
+    include_package_data=True,
     install_requires=install_requires,
 )