diff --git a/setup.py b/setup.py
index 8ddb00f..5a6ef5a 100755
--- a/setup.py
+++ b/setup.py
@@ -290,7 +290,8 @@ def gssapi_modules(lst):
     description='Python GSSAPI Wrapper',
     long_description=long_desc,
     long_description_content_type='text/x-rst',
-    license='LICENSE.txt',
+    license='ISC',
+    license_files=['LICENCE.txt'],
     url="https://github.com/pythongssapi/python-gssapi",
     python_requires=">=3.9",
     classifiers=[