+ setuptools_scm_git_archive

.git_archival.txt

@@ -0,0 +1 @@
+ref-names: $Format:%D$

.gitattributes

@@ -0,0 +1 @@
+.git_archival.txt  export-subst

setup.py

@@ -13,7 +13,8 @@ setuptools.setup(
     long_description_content_type='text/markdown',
     url='https://github.com/b4tman/sync_ics2gcal',
     use_scm_version=True,
-    setup_requires=['setuptools_scm'],
+
+    setup_requires=['setuptools_scm', 'setuptools_scm_git_archive'],
     packages=setuptools.find_packages(exclude=['tests']),
     classifiers=[
         'License :: OSI Approved :: MIT License',