Wisconsin Republican Jim Sensenbrenner, the second longest-serving member of the U.S. House of Representatives, will not run for a 22nd term, he said Wednesday.

Sensenbrenner made his first public announcement Wednesday on The Mark Belling Show on WISN-AM (1130).

In a separate interview with the Milwaukee Journal Sentinel, he said, “I think the time has come to basically turn over the page in the 5th District.”

The 76-year-old congressman has long represented the GOP’s geographic base in Wisconsin — the suburban, exurban and rural communities north and west of Milwaukee County that historically turn out in droves for Republican candidates and provide a large share of the party’s activists and political leaders.