Advance Selected Date Cells One Year

I have a spreadsheet which has a column of dates.  I would like to be able to select certain of those cells and click a button to have the year of the selected cells advance one year.  So for example, the two cells selected like this:

 Before Clicking Macro Button
...would be like this after clicking the macro button:

After clicking macro button
I know how to add a year using a formula, but am not sure how to do it in a macro for selected cells.  Your help would be much appreciated!
advance-1-year.xlsx
witzph1Asked:
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Martin LissOlder than dirtCommented:
Sub AddYear()
    Dim cel As Range
    
    For Each cel In Selection
        If IsDate(cel) Then
            cel.Value = DateAdd("yyyy", 1, cel.Value)
        End If
    Next
End Sub

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witzph1Author Commented:
Perfect!  Thank you so much!
Martin LissOlder than dirtCommented:
You're welcome and I'm glad I was able to help.

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Marty - MVP 2009 to 2015, Experts-Exchange Top Expert Visual Basic Classic 2012 to 2014
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