IE11: Default accordion is not showing focus outline

[mattrosno]

Describe in detail the issue you're having.

In IE11, I'm not seeing the focus outline when I click or tab to an accordion header to expand the item. Interestingly enough, the focus outline is showing for the legacy accordion in IE11.

Is this issue related to a specific component?

Accordion

What did you expect to happen? What happened instead? What would you like to see changed?

See blue outline. Instead, I saw this:

I expected this (Chrome):

What browser are you working in?

IE11

What version of the Carbon Design System are you using?

v10