Preheat your oven to 350°F (175°C).
In a bowl, combine graham cracker crumbs and melted butter.
Press the mixture firmly into the bottom of a greased 9x9 inch baking pan.
In a mixing bowl, beat the cream cheese until smooth.
Add the pumpkin puree, sugar, and mix until well combined.
Incorporate the eggs one at a time, mixing after each addition.
Stir in the vanilla, cinnamon, nutmeg, and salt.
Pour the pumpkin mixture over the crust in the baking pan.
Bake for 45 minutes, or until the center is set.
Let cool completely before slicing into bars.