diff --git a/Source/domainset/cdn.conf b/Source/domainset/cdn.conf
index 1e3ff8a1..1ec4511d 100644
--- a/Source/domainset/cdn.conf
+++ b/Source/domainset/cdn.conf
@@ -2214,6 +2214,7 @@ cdn.openai.com
 # >> Claude AI
 a-cdn.anthropic.com
 s-cdn.anthropic.com
+www-cdn.anthropic.com
 .claudeusercontent.com
 
 # >> Perplexity AI