diff --git a/setup.cfg b/setup.cfg
index e10a2c7..aa5b2fd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,13 +13,12 @@ classifiers =
     Development Status :: 3 - Alpha
     Environment :: Plugins
     Intended Audience :: Developers
-    License :: OSI Approved :: Apache Software License
     Operating System :: MacOS
     Operating System :: Microsoft :: Windows
     Operating System :: POSIX
     Programming Language :: Python
     Topic :: Software Development :: Build Tools
-license = Apache License, Version 2.0
+license = Apache-2.0
 description = Extension for colcon to support Python packages with the metadata in the setup.py file.
 long_description = file: README.rst
 keywords = colcon