A new Morning Consult poll found registered voters are flocking to Donald Trump over Hillary Clinton. The GOP nominee breezed past Clinton to win the head-to-head match-up for the first time in the poll's history.

The Republican nominee received 44 percent of voters' support, a 5-point jump from the 39 percent he took two weeks earlier. It's his highest rating yet and indicates his message at last week's GOP convention appealed to undecided voters.

The presumptive Democratic nominee only dropped 1 point from her previous score. A net 40 percent of voters backed Clinton, bringing the former secretary of state to her lowest ranking in nearly a month.

Of the 20 percent of voters who were "undecided" two weeks earlier, 4 percent jumped to Trump.

Trump's growth has been steady over the past few weeks since the FBI called Clinton's handling of classified information as the top U.S. diplomat "extremely careless."

Although post-convention surges are standard, Trump's 4-point lead give him a considerable advantage as Clinton heads into a chaotic week in Philadelphia.

On Friday, WikiLeaks published 20,000 emails sent within the Democratic National Committee. The messages painted a shocking image of the bias the DNC had against Vermont Sen. Bernie Sanders and how party's staffers referred to members of the press and Republican Party.

On Sunday, DNC Chair Debbie Wasserman Schultz announced her resignation, effective at the end of the week at the conclusion of the Democratic convention, which she was also pulled from as a keynote speaker.

Clinton responded to the news by announcing Wasserman Schultz as her new honorary chair of her 50-state campaign. The news may sit well with some Democrats, but is likely to upset those who believe Wasserman Schultz helped rig the system in order to secure Clinton as the nomination.

The poll was taken July 22 to 24 and had a 2 percent margin of error.