Some voters in Ashmont Hill are circulating a petition in protest of a proposed switch of their state representative. The Legislature’s redistricting committee, charged with redrawing political boundaries for seats held by Beacon Hill lawmakers and the state’s D.C. delegation, is proposing that state Rep. Russell Holmes (D-Mattapan) replace Rep. Marty Walsh in representing that Dorchester neighborhood.

A vote of the full Legislature on the new maps could come next week. The redistricting committee, which redrew the boundaries based on population shifts documented in the U.S. Census, endorsed the proposal on Tuesday.

Petition backers, who live in Precincts 6 and 9 in Ward 17, say they have a strong working relationship with Walsh, who was elected to the seat in a 1997 special election and is chair of the House Ethics Committee. Walsh, who would also pick up a precinct in Quincy under the plans, also holds down a high-profile union job.

Holmes, a financial analyst seen as more conservative on some issues, was elected last year, succeeding Willie Mae Allen.

Vicki Rugo, who lives on Ocean Street, says the petition has picked up 70 signatures. “They do feel positive about Marty; I don’t think it’s anything necessarily about Holmes,” Rugo said.

The petition will be submitted to the redistricting committee, which is chaired by state Rep. Michael Moran (D-Brighton) and state Sen. Stanley Rosenberg (D-Amherst). The chairs have said the maps are subject to change.

Moran said on Tuesday that much of the feedback on the maps has been positive, but he acknowledged some opposition. “Many of my colleagues would be happy to hear their constituents were fighting to keep them as their representatives,” Moran said, according to the State House News Service.

Rosanne Foley, a Welles Ave. resident, said that with Walsh as their representative, they have a “political partnership” that is working well. “We’d be with someone completely different and completely new and we’d have to start all over again.”

Holmes said he was not aware of the petition, and added that he would like to sit down with its backers and introduce himself. Walsh will be helping him meet people, said Holmes, who plans to send a letter reaching out to ward and precinct residents. “They’ve not gotten a chance to know me,” he said.

Holmes noted that the changes to the district lines were made in order for several of the Dorchester House districts to maintain majority-minority status. “I will do a good job for each ward and precinct I have,” he said.

Asked about the petition, Walsh acknowledged that he had “built a lot of friendships there” but added that changes to the proposal would cause a ripple effect across the map.

Walsh said lawmakers may file amendments in the next week or so to change the map, adding that it hasn’t been finalized. But he also praised Holmes. “Russell Holmes has worked extremely hard in his district. He’s out there, he goes to all the civic meetings himself and he’s very active and very visible,” Walsh said. “If this happens to be the map at the end of the day, I think as time goes on people will be very happy and very satisfied with Russell Holmes’s representation.”

The redistricting committee did recommend some changes before voting on the maps, including one for state Sen. Sonia Chang-Diaz’s Second Suffolk District. Under the tweaked plan, she will keep Ward 14’s Precinct 10 in Dorchester, while losing precincts in Jamaica Plain and Hyde Park.

In letters to the committee, minority and voting rights advocates have praised the proposed maps. The proposals increase the number of majority-minority seats: Two Senate seats of color in Boston, a Senate seat in Hampden County, and 20 majority-minority seats in House, up from ten seats.