Dundalk's SSE Airtricity League Premier Division clash with Longford Town has bee refixed for Tuesday, 5 July [7.45pm].
The Lilywhites travel to Derry City on Friday night as they look to maintain their three-point advantage over Cork City at the top of the table.
They had initially been down to face Longford on Friday, 8 July. Stephen Kenny's men host Iceland's FH Hafnarfjordur on Wednesday 13 July in the first leg of their Champions League second-round qualifier.
Wexford Youths' fixture with Cork has also been changed. The two will now meet at Ferrycarrig Park on Sunday, 10 July [5.0pm]. That game was also originally scheduled for Friday week.
The First Division fixture between Shelbourne and Cabinteely, originally scheduled for Friday, 15 July, will now take place on Saturday, 16 July at Tolka Park [7.15pm].