Combine the crushed biscuits and melted butter. Press into the base of a springform pan to form the crust. Chill in the fridge.
In a large bowl, beat the cream cheese and powdered sugar until smooth.
Add the pumpkin purée, pumpkin spice, and vanilla extract. Mix until combined.
In a separate bowl, whip the heavy cream to soft peaks.
Gently fold the whipped cream into the pumpkin mixture until fully incorporated.
Pour the cheesecake filling over the chilled crust and smooth the top.
Refrigerate for at least 6 hours or overnight until fully set.
Before serving, top with whipped cream and a sprinkle of pumpkin spice.