diff --git a/.lycheeignore b/.lycheeignore
index 674d0e02d..d22d3cb15 100644
--- a/.lycheeignore
+++ b/.lycheeignore
@@ -12,3 +12,6 @@ packages/mermaid/src/docs/config/setup/*
 
 # Ignore localhost
 http://localhost:3333/
+
+# Ignore slack invite
+https://join.slack.com/