It already has increased. If you go here https://turbotax.intuit.com/personal-taxes/cd-download/ and click on 1 state download under the Deluxe or higher versions, scroll to the very bottom of the pop-up window that appears and you'll see price for e-filing state returns there.
This applies to the CD/Download versions of the software only. There is no e-file fee when using TurboTax Online. And you can avoid the e-file fee in CD/Download version if you print and mail the state return.
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