diff --git a/lists/cn.csv b/lists/cn.csv
index 2101aad04..325523356 100644
--- a/lists/cn.csv
+++ b/lists/cn.csv
@@ -584,3 +584,4 @@ https://tousatu-h.com/,PORN,Pornography,2025-02-25,test-lists.ooni.org contribut
 https://www.youplanning.jp/top.html,PORN,Pornography,2025-02-25,test-lists.ooni.org contribution,
 https://chromewebstore.google.com/,ANON,Anonymization and circumvention tools,2025-02-25,test-lists.ooni.org contribution,
 https://proton.me/drive,COMT,Communication Tools,2025-02-25,test-lists.ooni.org contribution, 
+https://proton.me/mail,COMT,Communication Tools,2025-02-25,test-lists.ooni.org contribution,