diff --git a/setup.py b/setup.py
index 050ae4359..bcbd9e481 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 CLASSIFIERS = [
     "Development Status :: 3 - Alpha",
-    "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
+    "License :: OSI Approved :: GNU General Public License v3 or later (GPL-3.0-or-later)",
     "Programming Language :: Python :: 3",
     "Operating System :: OS Independent",
 ]