Currently, liquids are limited to 3.4 ounces per container with exceptions for essential items. Days after announcing that travelers would no longer need to take their shoes off for TSA screening before flights, Homeland Security Secretary Kristi Noem hinted at another possible change.

Homeland Security Secretary Kristi Noem said Wednesday that the Transportation Security Administration is reviewing the long-standing rule on liquids in carry-on bags.

The Transportation Security Administration's security protocols could be in for another shakeup — this time involving the long-standing limits on carry-on liquids. The big picture: Homeland Security Secretary Kristi Noem said TSA is looking to modify the liquid rule Wednesday at the Hill Nation Summit.