Note that the current version for this scaffold is set to:

[dependencies]
ink = { vesion = "4.1.0", default-features = false }
openbrush = { version = "3.1.0", git = "https://github.com/BrushFam/openbrush-contracts", default-features = false }

Make sure to update this if you are using a later version of ink! and OpenBrush.