diff --git a/storage_s3/setup.cfg b/storage_s3/setup.cfg
index ae04998..0fbc8e9 100644
--- a/storage_s3/setup.cfg
+++ b/storage_s3/setup.cfg
@@ -2,6 +2,8 @@
 name = indico-plugin-storage-s3
 version = 3.1
 description = S3 storage backend for Indico
+long_description = file: README.md
+long_description_content_type = text/markdown; charset=UTF-8; variant=GFM
 url = https://github.com/indico/indico-plugins
 license = MIT
 author = Indico Team