What did you do?

1. Open a go file in vscode
2. Put keyboard cursor on the line package somepackage.
3. Press F2 (rename symbol)

What did you expect to see?

Let me rename package.

What did you see instead?

This element cannot be renamed.

Build info

golang.org/x/tools/gopls v0.5.0
go version go1.15 linux/amd64