diff --git a/backend/src/migrations/001_init.sql b/backend/src/migrations/001_init.sql
index 77ed07a..2f06943 100644
--- a/backend/src/migrations/001_init.sql
+++ b/backend/src/migrations/001_init.sql
@@ -140,15 +140,15 @@ BEGIN
 END;
 $$ LANGUAGE plpgsql;
 
-CREATE TRIGGER set_updated_at_users
+CREATE OR REPLACE TRIGGER set_updated_at_users
   BEFORE UPDATE ON users
   FOR EACH ROW EXECUTE FUNCTION trigger_set_updated_at();
 
-CREATE TRIGGER set_updated_at_companies
+CREATE OR REPLACE TRIGGER set_updated_at_companies
   BEFORE UPDATE ON companies
   FOR EACH ROW EXECUTE FUNCTION trigger_set_updated_at();
 
-CREATE TRIGGER set_updated_at_invoices
+CREATE OR REPLACE TRIGGER set_updated_at_invoices
   BEFORE UPDATE ON invoices
   FOR EACH ROW EXECUTE FUNCTION trigger_set_updated_at();