WASHINGTON (AP) — Long-term U.S. mortgage rates edged up slightly this week, reaching their highest levels since late June.

Mortgage buyer Freddie Mac says the average rate on 30-year, fixed-rate mortgages rose to 4.54 percent from 4.52 percent last week. Long-term loan rates have been running at their highest levels in seven years. The average benchmark 30-year rate reached a high this year of 4.66 percent on May 24. The rate stood at 3.92 percent a year ago.

The average rate on 15-year, fixed-rate loans ticked up to 4.02 percent this week from 4.00 percent last week.