Dash noise in 07 Mazda 6

I have a faint noise (dull squeak) going over bumps near the windshield and dash. I did have the windshield replaced due to a rock 3 months after I bought the car. I have had the car 16 months. Could this be the cause of the squeak? I have not asked the dealer if they can do anything. Otherwise love the car and everything is great!