diff --git a/backend/services/referral-service/.gitignore b/backend/services/referral-service/.gitignore
index f32ec2ff..0df0be61 100644
--- a/backend/services/referral-service/.gitignore
+++ b/backend/services/referral-service/.gitignore
@@ -3,6 +3,7 @@ node_modules/
 
 # Build output
 dist/
+*.tsbuildinfo
 
 # Prisma compiled files (seed.ts should not be compiled)
 prisma/*.js