diff --git a/lib/constants.mjs b/lib/constants.mjs
index 64dc7b0..5fbdc24 100644
--- a/lib/constants.mjs
+++ b/lib/constants.mjs
@@ -71,9 +71,9 @@ export const NOTIFY_RATE_LIMIT_MS = 1500;
 
 // --- ATS platforms (for URL-based detection) ---
 export const EXTERNAL_ATS_PATTERNS = [
-  { name: 'greenhouse',      pattern: /greenhouse\.io/i },
+  { name: 'greenhouse',      pattern: /greenhouse\.io|grnh\.se/i },
   { name: 'lever',           pattern: /lever\.co/i },
-  { name: 'workday',         pattern: /workday\.com|myworkdayjobs\.com/i },
+  { name: 'workday',         pattern: /workday\.com|myworkdayjobs\.com|myworkdaysite\.com/i },
   { name: 'ashby',           pattern: /ashbyhq\.com/i },
   { name: 'jobvite',         pattern: /jobvite\.com/i },
   { name: 'smartrecruiters', pattern: /smartrecruiters\.com/i },
@@ -94,6 +94,11 @@ export const EXTERNAL_ATS_PATTERNS = [
   { name: 'paycom',          pattern: /paycomonline\.com/i },
   { name: 'ultipro',         pattern: /ultipro\.com/i },
   { name: 'successfactors',  pattern: /successfactors\.com/i },
+  { name: 'eightfold',      pattern: /eightfold\.ai/i },
+  { name: 'comeet',         pattern: /comeet\.com/i },
+  { name: 'gem',            pattern: /jobs\.gem\.com/i },
+  { name: 'adp',            pattern: /workforcenow\.adp\.com/i },
+  { name: 'dayforcehcm',    pattern: /dayforcehcm\.com/i },
 ];
 
 // --- Queue ---