diff --git a/software/seafile.yml b/software/seafile.yml
index 89e3d8c135..642538ad09 100644
--- a/software/seafile.yml
+++ b/software/seafile.yml
@@ -10,6 +10,7 @@ platforms:
   - C
 tags:
   - File Transfer & Synchronization
+  - Groupware
 source_code_url: https://github.com/haiwen/seafile
 stargazers_count: 13678
 updated_at: '2025-08-06'