diff --git a/ltlf2dfa/__version__.py b/ltlf2dfa/__version__.py
index 5ea2ae3..4e656b0 100644
--- a/ltlf2dfa/__version__.py
+++ b/ltlf2dfa/__version__.py
@@ -7,5 +7,5 @@
 __version__ = "1.0.0"
 __author__ = "Francesco Fuggitti"
 __author_email__ = "fuggitti@eecs.yorku.ca"
-__license__ = "GNU Lesser General Public License"
+__license__ = "GNU Lesser General Public License v3 or later (LGPLv3+)"
 __copyright__ = "2018-2020 WhiteMech"
diff --git a/setup.py b/setup.py
index 1674a8e..4d824ed 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
     classifiers=[
         'Development Status :: 2 - Pre-Alpha',
         'Intended Audience :: Education',
-        'License :: OSI Approved :: GNU Lesser General Public License',
+        'License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)',
         'Natural Language :: English',
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.6',