diff --git a/setup.py b/setup.py
index 99563cd..17ed46f 100644
--- a/setup.py
+++ b/setup.py
@@ -36,6 +36,8 @@
 
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.10',
+
+        'License :: OSI Approved :: BSD License',
     ],
     keywords='pyramid swagger validation',
     packages=find_packages(exclude=["contrib", "docs", "tests*"]),