diff --git a/setup.py b/setup.py
index 2f686b61b..9a0d5bcdd 100644
--- a/setup.py
+++ b/setup.py
@@ -31,4 +31,7 @@ setup(
     long_description=long_description,
     long_description_content_type="text/markdown",
     url="https://github.com/paul-gauthier/aider",
+    classifiers=[
+        "License :: OSI Approved :: Apache Software License",
+    ],
 )