diff --git a/README.md b/README.md
index 6d84efb..f4141bd 100644
--- a/README.md
+++ b/README.md
@@ -1564,7 +1564,7 @@ Tools
 
 Callback / Canary / Command & Control
 1. http://dnslog.cn
-1. http://interact.sh
+1. https://app.interactsh.com
 1. https://api.telegram.org
 
 Tunneling