Mississippi’s public safety commissioner said on Saturday that it will no longer buy products from Nike in response to its new "Just Do It" ad campaign featuring former San Francisco 49ers quarterback Colin Kaepernick.

“As commissioner of the Department of Public Safety, I will not support vendors who do not support law enforcement and our military,” Commissioner Marshall Fisher told The Associated Press.

Mississippi Gov. Phil Bryant (R) also expressed support for the move in a statement to the AP.

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“I support the commissioner’s decision,” Bryant said, adding that the commissioner has the right to choose from which brands his department buys. "[A]nd it’s not going to be a company that pays an individual who has slandered our fine men and women in law enforcement.”

Fisher has drawn criticism for the move, however, with the Mississippi chapter of the American Civil Liberties Union (ACLU) slamming the decision in a statement on Twitter.

“These are the people that are representing all Mississippians,” the ACLU chapter's Twitter account wrote. “These are the people that are creating policy that impact all of our lives. These are the people that took an oath to uphold the Constitution. Yet they refuse to understand what equality, justice, and accountability means. This petty decision is just another show of racism, discrimination, stupidity, inequity, and divisive politics.”

It is unclear how much the department has spent on Nike gear prior to Fisher’s decision. It is also unclear whether the agency makes direct purchases from Nike.

The move comes weeks after Nike unveiled its new ad campaign featuring Kaepernick, who was the first NFL player to kneel in protest during the national anthem to protest racial inequality.

In the ad, Kaepernick says, “Believe in something, even if it means sacrificing everything.” Kaepernick, who has remained unsigned for the two years since he first took a knee, kicked off a movement of players making similar demonstrations.

Those demonstrations have generated backlash from critics, including President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE.

Nike's decision to feature Kaepernick drew fire from Trump and his base, who condemned the move as being unpatriotic.

"Just like the NFL, whose ratings have gone WAY DOWN, Nike is getting absolutely killed with anger and boycotts," the president tweeted shortly after the deal's announcement.

Other institutions have said they would stop purchasing Nike products in protest of the brand's ad campaign.

A small private college in Missouri said it would end its use of uniforms displaying the Nike logo. Meanwhile, a store in Colorado said it would remove all Nike merchandise following the move.