Pumpkin Fluff

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

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