diff --git a/rule/Loon/OpenAI/OpenAI.list b/rule/Loon/OpenAI/OpenAI.list
index 8e4b162d0b0..e5793e35222 100644
--- a/rule/Loon/OpenAI/OpenAI.list
+++ b/rule/Loon/OpenAI/OpenAI.list
@@ -33,6 +33,7 @@ DOMAIN-SUFFIX,segment.io
 DOMAIN-SUFFIX,sentry.io
 DOMAIN-SUFFIX,stripe.com
 DOMAIN-SUFFIX,turn.livekit.cloud
+DOMAIN-SUFFIX,webpubsub.azure.com
 DOMAIN-KEYWORD,openai
 IP-ASN,20473,no-resolve
 IP-CIDR,24.199.123.28/32,no-resolve