Brechin City's 1-0 win at Dunfermline on Tuesday evening extended their unbeaten sequence in League 1 to 14 matches.
That means Ray McKinnon's men, who host Stenhousemuir on Saturday, are on the longest current undefeated run in the SPFL - their most recent setback was against Stranraer in October.
Aberdeen have gone 13 matches without losing in the Premiership since Celtic - who they face at Parkhead on Sunday - won at Pittodrie on November 9.
Hibernian are on the best run in the Championship at 10 games undefeated and East Fife's six games without losing is the longest current sequence in League 2.
Current unbeaten runs in the SPFL (league games only)
| Brechin City | 14 |
| Aberdeen | 13 |
| Hibernian | 10 |
| Inverness CT | 9 |
| Celtic | 8 |
| Dundee | 8 |
| Falkirk | 7 |
| East Fife | 6 |
| Morton | 6 |
| Airdrieonians | 5 |
| Clyde | 4 |
| Heart of Midlothian | 4 |
| Kilmarnock | 4 |
| Annan Athletic | 2 |
| Elgin City | 2 |
| Ross County | 2 |
| Alloa Athletic | 1 |
| Dundee United | 1 |
| Forfar Athletic | 1 |
| Peterhead | 1 |
| Queen's Park | 1 |
| Rangers | 1 |
| St Johnstone | 1 |
| Albion Rovers | 0 |
| Arbroath | 0 |
| Ayr United | 0 |
| Berwick Rangers | 0 |
| Cowdenbeath | 0 |
| Dumbarton | 0 |
| Dunfermline Athletic | 0 |
| East Stirlingshire | 0 |
| Hamilton Accies | 0 |
| Livingston | 0 |
| Montrose | 0 |
| Motherwell | 0 |
| Partick Thistle | 0 |
| Queen of the South | 0 |
| Raith Rovers | 0 |
| St Mirren | 0 |
| Stenhousemuir | 0 |
| Stirling Albion | 0 |
| Stranraer | 0 |
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