Democratic presidential candidate Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) has reportedly overhauled operations in New Hampshire as the primary looms about five months away.

Sanders has swapped his New Hampshire state director, Joe Caiazzo, with Shannon Jackson, who ran the senator's reelection campaign last year, according to a report from The New York Times. The shake-up was reportedly announced to the staff in New Hampshire on Sunday.

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"We’ve built a great team in New Hampshire and are in a really strong position there. The campaign is now building out our operations to include Massachusetts and Maine state directors as we increase our focus in Super Tuesday states," Faiz Shakir, Sanders's campaign manager, said in a statement obtained by The Hill. "We are running a 50 state campaign, taking no state or voter for granted and expanding our operations to secure the Democratic nomination."

The campaign's top officials have also been shuffled recently. Former chief of staff Ari Rabin-Havt and former communications director Arianna Jones were promoted to deputy campaign managers. A new senior communications adviser will be hired, the Times reported.

The senator considers the New Hampshire primary in particular to be important after he defeated Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE by more than 22 percentage points in the state in 2016.

A poll last week showed Sanders and former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE in a statistical tie in New Hampshire. Sanders and Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) have been trailing Biden in national polls.

New Hampshire is expected to be a tight race between the three leading contenders.

Sanders expanded the state's campaign offices and staff in July.