The producers of Flashpoint announced that the show will end after this season, On the show's Facebook page, the show's producers wrote this note to the show's fans:
Today we announced to our cast and crew that this will be our final season of FLASHPOINT. While still at our creative apex, we’ve decided to conclude the series on a high note. This will allow us to give our fans the satisfaction of a fitting series conclusion with our 75th, and final, episode. Producing FLASHPOINT over the past five seasons has been an exceptional adventure, and we are extremely grateful to all of you for being with us every step of the way. We hope that by announcing this now, you’ll be able to enjoy the fifth season to the utmost, and properly say goodbye to Team 1 along with all of us.
More information can be found at http://www.facebook.com/FPTOne.