Fluffy Vanilla Pumpkin Dip

1 (16 ounce) container frozen whipped topping, thawed
1 (5 ounce) box instant vanilla pudding mix
1 (15 ounce) can solid pack pumpkin
1 teaspoon pumpkin pie spice

In a large bowl, mix together instant vanilla pudding mix, pumpkin and pumpkin pie spice. Fold in the thawed topping. Chill in the refrigerator until serving.

Serve with regular or cinnamon graham crackers.