diff --git a/Source/domainset/cdn.conf b/Source/domainset/cdn.conf
index 0afc0fdb..61aa2fac 100644
--- a/Source/domainset/cdn.conf
+++ b/Source/domainset/cdn.conf
@@ -1872,6 +1872,7 @@ config.extension.grammarly.com
 
 # >> Claude AI
 s-cdn.anthropic.com
+.claudeusercontent.com
 
 # >> Manhuagui
 i.hamreus.com